The chorus has 42 members. Which expression represents the number of ways a group of 7 members can be chosen to do a special per
1 answer:
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Answer:
Step-by-step explanation:
Each term is divisible by -3, so we can "pull out" a -3. We do this by dividing each term by -3.
Because of the distributive property, multiplying -3 by the divided expression in parenthesis results in the original expression.