Kelly bought 55 stocks Company A, 30 of Company B and 25 of Company C. The annual return for these stocks are 8%, 12%, and 10% respectively. The average return for one year is:

answer is 10.5%

Step-by-step explanation:

the answer is (4,3)

since the rule for r0, 90º is (-y,x) and it was already applied to form the image, all you have to do is reverse the answer using this formula.