Please write the Pythagorean Theorem. What is it used for

Which statements regarding the diagram are true? check all that apply.

Find the equation using the point (4,8)

Clarence wants to buy a new car. he finds an ad for a car that costs 27,200 dollars. suppose his local sales tax is 7%. -how much would he have to pay? -what is the cost of the car including tax? -if clarence has 29,864 saved, can he pay cash to buy the car?