Which pair of equations corresponds to the two sets of data in the table?

Which is the equation of a line perpendicular to the line with the equation 3x+4y=8

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.

Another type of subtraction equation is 16-b=7. explain how you would sole this equation then solve it.