Please help me with this math problem, I'm not that informed on the subject

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 much orange juice do you need to make 2 servings of lemony orange slush?

If x is 6, then 7x= a. 13 b. 42 c. 42x d. 76