On her first two quizzes, Barbara averaged 6 correct answers. On the next three quizzes, she averaged 8 correct answers. What decimal number shows Barbara’s average score on all five quizzes?

65 8 7 4 5 6 8 4 3 2 1 9 5 6 4 2 1 6 5 1 5 1 3 2 3 5 multiply the third number in the first row by the seventh number in the third row. add this result to the fifth number in the second row. add to this total ten times the fourth number in the third row. subtract the eighth number in the first row from the result.

Find the area of a parallelogram with base 15 yards and height 21 2/3

Simplify. (-2)^-3 a. -8 b. -1/8 c. 1/8 d. 8