Simplify the expression
14(n − 3) + 5(n - 6)

Factor completely. 4p^2 + 36p + 81 express the answer in the form (ap + b)^2

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.

Aflagpole broke in a storm. 77 7 meters are still sticking straight out of the ground, where it snapped, but the remaining piece has hinged over and touches the ground at a point 2424 24 meters away horizontally