The value of k should be 2.
if you plug the y value of the point in the equation for y and do the same with x you should be able to get this answer after fallowing the order of operation.
1. Yes, the are similar because if you set up a proportion for the sides of the triangles and cross-multiply, the values are the same: 40/48 = 30/36 If you cross-multiply you get 1,440 both ways 2. Volume of the first prism: V = (1/2)bhthp V = (1/2)(30)(40)hp V = 600h<span>p</span>
A. at least i think it is
4*(21 - 3(5))
4*(21-15)
4*(6)
24
24 is your answer hope this helps
