Write the standard form of a parabola with focus at (0,-5) and directrix y=5

Nu is designing a rectangular sandbox. the bottom is 16 square feet. which dimensions require the least amount of material for the sides of the sandbox.

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 =

Drag the tiles to the correct boxes to complete the pairs. label each function. as even , odd, or neither.