$5 each car
3 hours = 12 cars
÷3 ÷3
1 hours = 4 cars
×8 ×8
8 hours = 32 cars
32 cars × $5 per car =
$160
They earned $160 in 8 hours, from washing 32 cars.
(3x^2- 5)(x^2+2) that is the answer
The correct answer is d- one half x 2,175
Explanation: one half is 0.5 and 0.5 x 2,175 = 1087.5
A) first choice because for x=0 the y= 5 and for x=2 the y=3