What do all of those mean This is due by tomorrow

The table represents a linear function. what is the slope of the function? –6 –4 4 6

Can someone me with these two circle theorem questions asap?

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