Mathematics, 15.08.2021 04:40, amazingmariah1234

Andres is on the tennis team. Last year he bought 7 tubes of tennis balls. The year before he bought k tubes. Each tube holds three balls. a. Write an expression using parentheses to describe how many tennis balls Andres bought in the last two years.

b. Given that k=6, evaluate your expression using the distributive property.

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Andres is on the tennis team. Last year he bought 7 tubes of tennis balls. The year before he bought...