PLEASE HELP ME I NEED THIS BY TOMORROW AND I HAVE SO MUCH I AM STRUGGLING SO BAD PLEASE HELP

What is the equation of this graphed line? enter your answer in slope-intercept form in the box.

The height of a plant, in inches, p years after planting it is given by the polynomial function r(p) = -2p% + 270p. find the height of the plant when p = 90 years.

If you were constructing a triangular frame, and you had wood in the length of 4 inches, 4 inches, and 7 inches, would it make a triangle? would you be able to create a frame from these pieces of wood?