Finding the area in the figure below

What properties allow transformation to be used as a problem solving tool

This is my question~~ ( r ^ 4 - 2r ^ 3 - 23 r ^ 2 - 4r - 32)÷(r+4) ~~ i must use long division to solve it : / i was wondering if anyone world like to solve it. and if so, share step-by-step explanations! you! ❤

The weight of an object in the water is 7% of its weight out of the water. what is the weight of a 652g object in the water?