Normally you would only solve by completing the square if a is 1 and b is even. But the answer would be half of b. So half of 9 is 4.5 or 4(1/2).
I think it is 64. you add all of them together and hten divide it by 6.
Its 5 because if u do 3x 5 it equals 15 then subtract 2 it gives u 13
The 2 in 324 represents the number 20 out of 300 and 4. With decimal in front, the 2 now represents hundredths of 1.
