18 -(-6)-9
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Add 1/7 + -1/7 your answer should be reduced to its smallest form and should not be an improper fraction

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.

Abus travels 36 miles in 45 minutes. enter the number of miles the bus travels in 60 minutes at this rate.