The power of a power
The power of a power is related with the multiplication of the exponents. For example:

In this case

Then, the exponentes 1/2 and 2 are multiplied.
Since

Then,

Then, the answer is 7.
Answer- A. 7
Answer:
9 hours
Step-by-step explanation:
If he earns 12.50 an hour...
112.50 ÷ 12.50 = 9 hours
The numbers or measurements Being compared or called the terms of the ratio a rate is a special ratio in which the two terms are in different units we can raise our expressed as a quantity of one such as 2 ft./s or 5 mph they are called unit rates
Step-by-step explanation:

A. (-2, -3) should be the answer.