Answer:
Step-by-step explanation:
2(4) - 4y = 20
8 - 4y = 20
-4y = 12
y = -3
x = 4
(4, -3)
Answer:
8
Step-by-step explanation:
[-2][-2]=-2 x-2=4
4+4=8

Where r is the radius of the circle.
Answer:
A cube
Step-by-step explanation:
If you fold it, you'll see
Answer:
$68.48
Step-by-step explanation:
You want to find cost such that ...
6.25% × cost = $4.28
Dividing by the coefficient of cost, we get ...
cost = $4.28/0.0625 = $68.48