Ebra 1 Unit 4 TEST (CMS) I 2 of 19 The graph models the amount of radioactive element present over the course of a 10-
minute experiment.
300 (20)
150
100
And of
30
(14.2.0)
10
Thar()
What is the average rate of change of the amount of the element over the 10-minute
experiment?
OA -0.2 g/min
OB. -2.0 g/min
OC -5.0 g/min
OD. -1.8 g/mi

Icould really use some with this question.

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

What is the radius of a circle with an area of 78.5 cubic inches? use 3.14 for pie