Anyone know the answer to 2? I really need answers :(

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.

What expression is equivalent to 42x-56y

Use the data on the dot plot to answer the question.how many people read for more than three hours last week? i'm on a unit test review