Answer:
4
Step-by-step explanation:
devide 144 by 9
get 16
The base squared is 16
find the root of 16
get 4
4 is your awnser
Answer:
109 car stereos
Step-by-step explanation:
If 149 car stereos had a CD player (with or without a cassette player), and 40 car stereos had both a CD and a cassette player, the number of stereos with only a CD player is determined by:

109 car stereos had only a CD player.
Answer:
Image attached
Step-by-step explanation:
Origin looks to be (0, -1), so move each point out by 2
Circumference is given by

Area is given by

figure out the radius of the circle, then use it to find area