Astudent scored 68, 79, and 98 on three algebra tests. what must he score on the fourth test in order to have an average grade of at least 85?

Find the surface area of the prism formed by the net

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

Aconstruction worker needs to put a rectangular window in the side of a building he knows from measuring that the top and bottom of the window have a width of 8bfeet and the sides have a length of 15 feet he also measured one diagonal to be 17 feet what is the length of the other diagonal