Y= -x^2 - 6x+ 4 please find the maximum and minimum value, show steps.

In the diagram of circle a what is m

Present age of man is 45 years, 5 years back his age was 4 times age of his son what is present age of his son?

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