Find the sum or difference of the following.
(42y + 7) - (3y + 6)

Which linear inequality is represented by the graph? !

Atriangle has an area of 72 square inches. if the base of the triangle has a length of 18 inches, what is the height of the triangle? use the formula for the area of a triangle: area = (base)(height) type a numerical answer in the space provided. do not include the units or spaces in your answer.

How can you find the mean absolute deviation (mad) for this set of data?