Can someone please help me on numer 3

Two angles are complementary. the large angle is 36 more than the smaller angle. what is the measure of the large angle?

Rewrite the following quadratic functions in intercept or factored form. show your work. f(x) = 3x^2 - 12

Apyramid fits exactly inside a cube. the cube and the pyramid share the same square base, and they are both exactly the same height. the volume of the cube is 66 cubic inches. what is the volume of the pyramid? explain your answer. answer asap