Answer:

Step-by-step explanation:
Given:
The expression in radical form is given as:

We need to express this in fractional exponent form.
We know that,

Also, 
Now, clubbing both the properties of square root function, we can rewrite the given expression as:

So, the given expression in fractional exponents form is
.
Independent variable (IV): something the scientist can change.
Thus, in this case, the IV can be the weight of the person.
Answer:
T == R + NH
Step-by-step explanation:
The fixed rate R is added to the hourly charges to get the total T. The hourly charges are the product of the number of hours and the charge per hour, NH.
The sum is then ...
... T = R + NH
Distance = Speed x time = 162 x 3 = 486 miles/hour
Answer: 486 miles/hour