Evaluate -5x+7y when x=-3 y=-4

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.

Ithink i know it but i want to be sure so can you me out ?

The points (1, 7) and (0, 2) fall on a particular line. what is its equation in slope-intercept form?