Morgan is reupholstering an old chair with two circular cushions. Each cushion has a circumference of 7.85 feet. He will need two pieces of fabric for each cushion. How many square feet of fabric will he need to cover the cushions? Use Pi = 3.14 and round to the nearest square foot.

ft2?

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 =

In the triangles, bc =de and ac fe.if the mzc is greater than the mze, then ab isdfelth

Factor the expression using the gcf. the expression 21m−49n factored using the gcf