Help me please
Solve for x and y

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

Askyscraper is 396 meters tall. at a certain time of day, it casts a shadow that is 332 meters long.at what angle is the sun above the horizon at that time?

Find an bif a = {3, 6, 9, 12) and b = {2, 4, 6, 8, 10).