The surface area of a sphere is found using the formula sa=4πr^2 where r is the radius. if the surface area of a sphere is 144π square feet, what is the radius, in feet

Desmond wants to sell his car that he paid $8,000 for 2 years ago. the car depreciated, or decreased in value, at a constant rate each month over a 2-year period. if x represents the monthly depreciation amount, which expression shows how much desmond can sell his car for today? 8,000 + 24x 8,000 − 24x 8,000 + 2x 8,000 − 2x

Which best explains why this triangle is or is not a right triangle ?

Car a and car b were in a race .the driver of car b claimed that his car was twice as fast as car a