Find the area.

A. 91 ft

B. 78ft

C.77 ft

D. 105ft

Ahigh definition tv cost $800 with a down payment of 2/5 of the cost. how much is left to pay, in dollars after the down payment has been made?

Twice the sum of a number and 4 is equal to three times the difference of the number and 7. find the number.

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