13. Chemical reactions change substances into different substances by
a. Reaching chemical equilibrium
b. Breaking and forming bonds
c. Changing the substance's properties
d. Maintaining a constant energy

Barry is lifting one end of a post so that it will be perpendicular to the ground. He has already lifted it 49 from the ground, but needs a friend to help with theremaining amount. How many more degrees must the pole be lifted?O A. 49OB. 131O C. 41O D. 31PLEASE HELP PLEASE 10 POINTS!! A ship anchored in a port has a ladder which hangs over the side. The length of the ladder is 200cm, the distance between each rung in 20cm and the bottom rung touches the water. The tide rises at a rate of 10cm an hour. When will the water reach the fifth rung? If im born in July 13th, 2007...how old will i be in 2025? What is the most logical reaction to this question?Comes hamburguesas con pltanos?A) Por supuesto!B)Qu asco! What is 50 percent of 62?0.313.131310 Answer the question below Please help for brainliest What is wrong in this python code import turtle bot = turtle.Turtle step = (50) turnAngle = (90) bot.Color("blue") bot.Begin_fill() bot.Forward(step) bot.Right(turnAngle) bot.Forward(step) bot.Right(turnAngle) bot.Forward(step) bot.Right(turnAngle) bot.Forward(step) bot.Right(turnAngle) bot.End_fill() Given the set of test scores: 71, 75, 80, 81, 81, 84, 89, 93. If a score of 50 is added to the data set, which statement is true? Select all that apply. Choose all that apply: The mean decreases. The median decreases. The standard deviation increases.The range increases. Fihd the area of the triangle.68square units What country helped the continental army in the Battle of Yorktown?FranceEnglandSpainMexico How could Caroline best improve her analysis? HELP PLSSSSSShe could explain how the quotation supports her ideas.She could cite evidence from the text to support her opinion.She could include a thesis statement to express her position.She could evaluate the text to analyze the big ideas and messages I can't help solve my friends problems,I got too much to do help him out please Start with the top figure. Which transformation was used to create the pattern? A. Write about classical conditioning by identifying and giving an example of an unconditioned stimulus, an unconditioned response, a neutral stimulus, a conditioned stimulus, a conditioned response, a stimulus discrimination, and a stimulus generalization that you have experienced or seen. B. Cite four examples of operant conditioning you have experienced or seen. Be sure to cite the particular behavior and the consequence (reinforcer or punisher). PROJECT: USING ADVANCED FORMULASSuppose you own a small business with ten employees. Small businesses use spreadsheets for a variety of reasons.OBJECTIVESCreate a spreadsheet to track payroll.DirectionsCreate a spreadsheet to calculate the your company's payroll, or how much you pay each employee and the total you pay all employees.You pay your employees every two weeks, and for the last two weeks, your employees worked the following hours:Employee 1: 78Employee 2: 75Employee 3: 80Employee 4: 45Employee 5: 50Employee 6: 80Employee 7: 65Employee 8: 60Employee 9: 78Employee 10: 75Your spreadsheet should calculate:the total hours worked for each employeethe gross pay for each employee (pay rate is $12.50 per hour)the state income tax for each employee (use 5.7%)the Federal income tax for each employee (use 15%)Social Security for each employee (use 3.5%)the net pay for each employee by subtracting the income tax and Social Security from the gross paythe total gross pay, total state income tax, total Federal income tax, total Social Security, and total net pay paid to all employeesWhen you finish your spreadsheet, estimate your answers to check for accuracy. Make any necessary corrections. Use formatting techniques to make your spreadsheet easy to read. Upload your spreadsheet using the Upload tool in the box below. HELP NOW!!!!!!!!! PLEASE PTS Which of the following answer choices describes two MAIN ideas of the article? 1. Mindfulness is paying attention to our thoughts and feelings and being curious about whether they are compassionate or critial. 2. Being hard on yourself may not get the results you want. 3. Being kind to yourself can be challenging but will lead to long-term benefits. 4. to be self-compassionate you should become aware of how you treat yourself and take steps to treat yourself well.1 and 23 and 42 and 31 and 4 The Zimmerman Note was a secret telegram sent by Germany to the leaders of Mexico.Why did the Zimmerman Note cause outrage among Americans?It revealed that Mexico was getting ready to enter the war on the German sideIt promised Mexico that Germany would help it reclaim territory in the United States ifthe United States entered the war against GermanyZimmerman was passing American secrets to Germany with the help of MexicanleadersThe telegram contained secret messages sent by American leaders to its commanderson European battlefields Read the passage. What is an effective way to rewrite the passage to avoid redundancy and wordiness?Most people, regardless of their age, love the taste of sweet and sugary treats like chocolate, soda, and cookies. These foods are more often than not high in calories because of the sugar content. Because of the high sugar content and high calories, such foods can cause people to gain a lot of weight. What would happen to the pressure inside any enclosures on the moon as the sun hits the exterior and the temperature begins to rise? What kind of safety features could be built in to accommodate this?