Evaluate the function. (Simplify your answers completely.)
f(x) = 4x + 5

The number of fish in a lake can be modeled by the exponential regression equation y=14.08 x 2.08^x where x represents the year

In a two-digit number the units' digit is 7 more than the tens' digit. the number with digits reversed is three times as large as the sum of the original number and the two digits. find the number.

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.