Need to pick three options. please need help on this

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.

I’m stuck on this equation, anyone got the answer?

Which inequality statement describes the two numbers on a number line? "? 7 and a number 5 units to the right of ? 7"