How do i put a quadratic function into standard form

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.

An ulcer medication has 300 milligrams in 2 tablets. how many milligrams are in 3 tablets?

Solve for n? [tex]z = \frac{3}{4} mn[/tex]