Diane ia 25 years older than her son, craig. the sum of their ages is 105. how old are diane and craig? (it is a system of equations)

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.