What is the sum of
and

3. solve by graphing: y = 2x + 6 x + y = -3

How to choose the sign of the radical in the denominator of the formula for the distance from a point to a line.

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.