Draw a module of
21 ÷ 4 .

What is the solution set of the quadratic inequality x^2-5< or equal to 0

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 =

Which of the following is not a subset of {1,2,3}?