How to solve the problem 12w-3(4w-2)

What signals you that factoring by grouping is the best method to use when factoring a problem?

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.

Match each inequality to the number line that represents its solution