The area of a rectangle is 6x^2+5x-4 square units. if the length is (3x+4), what is the width?

Identify whether the figure has plane symmetry, symmetry about an axis, or neither.

When solving this problem: 3025/5.5 = a/90.75 you get 49912.5 which would be the length of one of the sides of a square when the area is only 90.75 inches. is that answer correct, why, and how is it possible?

Joanie wrote a letter that was 1 1/4 pages long. katie wrote a letter that was 3/4 page shorter then joagies letter. how long was katies letter