What is the slope of the line in the graph?

Prism m and pyramid n have the same base area and the same height. cylinder p and prism q have the same height and the same base perimeter. cone z has the same base area as cylinder y, but its height is three times the height of cylinder y. the figures and have the same volume.

Can someone me with my math problems i have a bunch. i will give brainliest and lots of pleeeaaasssee

What is the sum of the first 8 terms of the geometric series