The diameter of a circle is 20 m. Find its area in terms of π\pi

Describe the 2 algebraic methods you can use to find the zeros of the function f(t)=-16t^2+400.

Table which ratio is equivalent to 3: 7? 6: 7 3: 21 24: 56 15: 30

George is putting trim around his rectangular deck, including the gate. he will need 44 feet of trim to do the entire deck. if the deck is 13 feet long, how wide is the deck?