A shirt is on sale for 25% off, and the total comes out to $15. What is the original price?

Statement: if two distinct planes intersect, then their intersection is a line. which geometry term does the statement represent? defined term postulate theorem undefined term

For which pair of functions is (gof)(a)=|a|-2?

The base of a triangle exceeds the height by 7 centimeters. if the area is 400 square centimeters, find the length of the base and the height of the triangle.