V = 4/3 (3.14) (5) to the third power 3
(5)3rd = 125
4/3 x (3.14 x 125)
3.14 x 125 = 392.5
4/3 x 392.5 = 1570 / 3
Volume = 523.33
Add 7 to both sides
Y+7=3
Divide both sides by 3
Y+7/3=x
Switch sides
X=y+7/3
X= your age
400-2x=244
-2x=-156
x=78
you are 78 years old
Answer:
c
Step-by-step explanation:
