11. The cost for a group of people to go to the movies is given by the expression 9a +5b, where a is the number of adults and b is the number of children. What are the variables of this expression? A. 9 and 5 B. a and b C. 9a and 5b D. + and x

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Cheesygodxx

22.09.2020

Mathematics

A.717.60

B.4,522.60

C.913.95

D.380.60

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11. The cost for a group of people to go to the movies is given by the expression 9a +5b, where a is the number of adults and b is the number of children. What are the variables of this expression? A. 9 and 5 B. a and b C. 9a and 5b D. + and x​