The area of the rectangle is \large \frac{x^2-100}{8} while the length is \large \frac{2x+20}{20}. Find the width of the rectangle.

The base of the triangle is \large \frac{21}{3x-21} and the area is \large \frac{x^2}{35}. Find the height of the triangle.

Francis made a rectangular path from his driveway to the porch. The width of the path is \large \frac{4}{x+8} feet and a length of \large \frac{5x}{x+8} feet. What is the perimeter of the path?

ano po answer dito