Rebecca is shredding some documents. She has 5 folders, each containing 72 documents.
She needs to shred 80% of the documents.
How many documents does she shred?​

Asegment in the complex plane has a midpoint at 7 – 2i. if the segment has an endpoint at 11 – 3i, what is the other endpoint?

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