Ashley has 500 songs in his music player. every week he adds 10 songs to his collection. how many songs will he have in his music player after 20 weeks?
at the end of n weeks, the number of songs is given by the function . the output of the function is when the input is 20.

Aball is thrown from a height of 139 feet with an initial downward velocity of 15 ft/s. the ball's height h (in feet) after t seconds is given by the following. h=139-15t-16t^2 how long after the ball is thrown does it hit the ground? round your answer(s) to the nearest hundredth. (if there is more than one answer, use the "or" button.) t =

Bring the fraction a/a-4 to a denominator of 16-a^2

Pyramid shown has a square base that is 18 inches on each side has a surface area of 164 square inches what is the slant height