Abox is filled with pennies, nickels, and dimes in a ratio of 2: 3: 4. if the total number of coins in the box is 1620, how many pennies are in the box

What is another way to express 36 +32

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.

The measurement of one angle of a right triangle is 42° what is the measurement of the third angle? (there is no picture)