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Tracy solved the following problem. which of the statements is true? 9 ÷ 3 + 6 × 2 3 + 6 × 2 9 × 2 18 her answer is correct. her answer is incorrect. she should have multiplied before dividing. her answer is incorrect. she should have multiplied before adding. her answer is incorrect. she should have added before dividing.

Which expression is equivalent to7_/x^2 ÷ 5_/y^3? assume y# 0

For the following geometric sequence, find the recursive formula. {-80, 20, -5, } i need : ')