She is cutting pieces of ribbon 9 3/8 inches long. About how many pieces can she cut from a 2 yard length of ribbon

Find the average rate of change for f(x) = x2 − 3x − 10 from x = −5 to x = 10.

The base of a triangle exceeds the height by 9 inches. if the area is 180 square inches, find the length of the base and the height of the triangle.

Aclassmate thinks that solving a system by graphing gives an exact answer when the lines appear to cross at a grid point, but only an approximate answer when they don't. explain why this isn't true.