Answer:
B.) 162 miles
Explanation:
It really helps to draw a model when you are working with these. After having drawn a model, you can see that a right triangle was made, with the distance from Sameer's house to his cousin's being the hypotenuse. So, you can use the Pythagorean theorem:

Solve for c. Fill in values:

Evaluate exponents:

Simplify addition:

Find the square of both sides:

Flip

Round to the nearest mile

Done.