A right triangle is a triangle with one 90 degree angle; the triangle that appears to have a right angle is D/ the option on the very bottom.
It’s a function. So for every X-input, there is a Y-output. Or in this case, P-input and C-output. When you plug in 1 for P in the equation, you get the answer for c which is 115. Continue plugging in the number of painting sold for the P and you get your output of c! Use the chart given. Hope this helps
I wish i remembered that but it has been a while