What does the sum of interior angles of a triangle add up to?

Acollege is planning to construct a rectangular parking lot on land bordered on one side by a highway. the plan is to use 680 feet of fencing to fence off the other three sides. what dimensions should the lot have if the enclosed area is to be a maximum?

Segment xz is bisected by point y. if xy = 12x, and the measure of xz = 18x – 6, solve for x

Arecipe uses 2 cups of sugar to make 32 brownies. how many cups of sugar are needed to make 72 brownies?