Find the x-intercept of the line:

8x - 4y = -24

What is the reflection image of (5,-3) across the line y = -x?

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

Find the measure of angle b in the following triangle