Please help-

What is 140% of 25? because i need

The sum of the squares of two numbers is 8 . the product of the two numbers is 4. find the numbers.

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.