Simplify the following expressions. group like terms together first.

2a - 3ax + 4a + 4ax

8r + 9s - 4r - 7s

x + y + z - 3x - 4y - 2z

9 + 4b + c - 9b - 1

Apple pie is removed from 350 degree oven. temperature of the pie t minutes after being removed id given by the function t(t)=72+268e-0.068t

The random variable x represents the number of phone calls an author receives in a day, and it has a poisson distribution with a mean of 8.7 calls. what are the possible values of x

Ineed your ! i was to turn this into pond first thing i gotta do is outline the inside with this plastic how big should i cut the plastic the height: 10 1/2” the length: 40” the width: 12” me !