Multiply and divide These (5)(-4)
(6-)(-5)
(-3)(-2)
(-5)(6)
(-2)(20)
(20)(-15)

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 =

Given the two similar triangles, how do i find the missing length? if a=4, b=5, and b'=7.5 find a'

Combine like terms to make a simpler expression 3z+z