Amean average of 60 on 8
exams is needed to pass a course. on her first 7
exams, sheryl received grades of 52, 72, 69, 63, 69, 71 and 53

A score of 31 will get an exact average of 60- if that is what the question is asking

If one follows the order of operations, the squared term is simplified first, followed by the other term that is in parentheses. The appropriate choices are

... A. The term –2(x – 2)^2 is simplified by first squaring the expression x – 2.

... C. After multiplying, the like terms are combined by adding and subtracting.

... D. The parentheses are eliminated through multiplication.

The simplified final product is -32x²+8x-8.