Find the value of each variable.
A. a=15, b=5, c=8, d=4
B. a=15, b=4, c=8, d=5
C. a=14.5, b=5, c=6, d=4
D. a=14.5, b=4, c=6, d=5

Definition: es. this is a disadvantage or weak point that makes someone or something less effective.

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.

Explain how you can use the associative property to evaluate (7x50)x4.