Answer:
1.
Option a is correct
2.
option a is correct
3.
option c is correct
Explanation:
1.
Given the equation:

Divide both sides by 16 we have;

⇒

2.
Given the equation:
8Z=64
Divide both sides by 8 to get Z;

3.
Given the formula:

Find C:
Divide both sides by AB we have;

or
