HELP BRAINLIEST TO WHO EVER CAN ANSWER THIS QUICK The graph shows a line and two similar triangles.

What is the equation of the line?
y = three-halves x
y = two-thirds x
y = 3 x
y = 2 x

What number should be added to the expression x^2+3x+ in order to create a perfect square trinomial? 3/2 3 9/4 9

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.

Me asap! what is the slope of this line? enter your answer in the box.