A runner completes a 400m race in 43.9s. What is his average speed?

1. What 2 subatomic particles have charges? List the particle name and its charge. Jumping on a trampoline cause you to fly up in the air. What type of newtons law is it ? Based on the excerpt, what was the main reason that the Founding Fathers wrote the Constitution?A. They wanted to reduce the power of the states.B. They wanted to improve the alliance of the states.C. They wanted to establish new courts for the states.D. They wanted to resolve important differences among the states. definition of reliability. will give brainliest! Which of the following is an example of a lipid?phospholipid.triglyceridefats and oils.all of these Give 5 reasons explaining why math is your favorite subject.Give 5 reasons why you dont like math.Give 5 areas that math can help you now or in the future. Can someone help me pls???!!!Chapter one the hobbit 2 2 6 2 6 2 10 3 1s 2s 2p 3s 3p 4s 3d 4p= Is 1.994 greater or lesser than 1.493 Because of the relatively high interest rates, most consumers attempt to pay off their credit card bills promptly. However, this is not always possible. An analysis of the amount of interest paid monthly by a bank's Visa cardholders reveals that the amount is normally distributed with a mean of 2525 dollars and a standard deviation of 88 dollars. (Round all decimals to at least 3 places.) (a) What proportion of the bank's Visa cardholders pay more than 2828 dollars in interest What is the third step taken when checking a student's reading rate?marking a starting point and setting a timerreading out loud with a timer setcounting the number of words readpracticing elements of fluency convert 2 3/7 to an improper fraction If the perimeter of the regular pentagon is 75 cm what is the length of each sidePlz help nowwwIf you wanna be crowed a brainliest:-) 2.The man said to the boy,What is your name? direct to indirect speech what is the next 3 terms for (-6,42,-294,2058) PLease Help I WILL GIVE BRAINLEST Help!!!!! This is the last one. What is the value of x? Enter only the number in the box! Help Asap In the sentence below, the highlighted coordinating conjunction ("FANBOYS") is It was 7 degrees below zero in the morning. By afternoon the temperature rose 15 degrees. How warm was it?