36pi = 4/3 * pi * r^3
27 = r^3
r = 3 in
answer is b.Step-by-step explanation:
14.99n+4.99 represents the cost of n cds
(14.99x3) + 4.99 =
34. 97 + 4.99= $39.97- 0.1= $39.96
3 CD s cost $39.96
Setup: 4x-6=3x+4
<span>4x=3x+10 </span>
<span>1x=10 </span>
x = 10