Can someone please help me with my maths question​

Henry is an avid reader, he devours 90 pages in half an hour how many pages has henry read per minute?

Solve this equation using substitution. {4x + y = −2} {4x + 6y = 44}

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.