(-7,9), (-8,-3) Fine an equation of the line passing through the pair of points. Write an equation in the form Ax+By=C

Hi, can anyone show me how to do this problem? 100 points for this. in advance

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

5. write an equation for the line that is parallel to the given line and that passes through the given point. y = –5x + 3; (–6, 3)