For which intervals below is the average rate of change of m(x) = -5x-3 less than -25?

Interval
A 3 ≤ x ≤ 5
B 4 ≤ x ≤ 5
C 4 ≤ x ≤ 6

Joel wants to buy a new tablet computer fram a store having a 20% off sale on all tablets. the tablet he wants has an original cost of $190. he also wants to make sure he has enough money to pay the 5% sales tax. part one joel uses the incorect expression 0.95(190)(0.8) to calculate that the tablet will cost him a total of $144.40. describe his error and write the correct expression part two how much will joel pay for the tablet show your work if you answer this question correctly you will receive a prize of 99 points good luck

Two airplanes start at the same place and travel in opposite directions,one at 395 miles per hour and the other at 422 miles per hour. how many hours will it take for the planes to be 2451 miles apart?

If 3 3/4 lb. of candy costs 20.25 how much would 1lb. of candy cost