Explain how to find 4×80. show your work.

What is a graph with a never ending line called?

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 =

1. find the area of the unshaded square 2. find the area of the large square 3. what is the area of the frame represented by the shaded region show