Simplify xz^3 x 4x^4z^5

Avegetable garden and a surrounding path are shaped like a square together are 12 ft wide. the path is 1 feet wide. if one bag of gravel covers 8 square feet, how manu bags are needed to cover the path? round your answers to the nearest tenth.

The angle of a triangle are given as 6x,(x-3), and (3x+7). find x then find the measures of the angles

Negative 5 1/12 + negative 4 1/4 + 6 3/4