In triangle​ ABC, the size of angle B is times the size of angle​ A, and the size of angle C is less than times the size of angle A. Find the size of the angles

The fence around a quadrilateral-shaped pasture is 3a^2+15a+9 long. three sides of the fence have the following lengths: 5a, 10a-2, a^2-7. what is the length of the fourth side of the fence?

Solve 3x-18=2y and 5x-6y=6 by elimination show work

In an improper fraction, is the numerator equal to, less than, or greater than the denominator