After earning interest, the balance of an account is $420. the new balance is 7/6bof the original balance. write an equation that can be used to find the original balance b of the account.

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.