Which sequence is modeled by the graph below?(1 point) coordinate plane showing the points 1, 1; 2, 3; 3, 9 an = 3(1)n − 1 an = 1 + (3)n − 1 an = (3)(n − 1) an = 1(3)n − 1

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.