Can someone help me with this?

What is the point-slope equation of a line with slope -5 that contains the point (6,3)

How do i do this activity, is appreciated

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.