Answer with Step-by-step explanation:
a.

Taking both sides log

Using identity:

Using identity:


b.
We know that

Using identity

c.

Substitute the values then we get

By using 
Hence, 
Answer:
$170
Step-by-step explanation:
Sally costs 30
Max costs 40
Goliath costs 80(1.25) = 100
add them up
$170
Answer:
A sphere with a radius of 4 inches has a volume of
Sphere Volume = 4/3 • π • r³ =
4/3 * PI * 4^3 =
268.0825731063 which matches NONE of the choices
Step-by-step explanation: