Help? Please? And make sure the answer is right plz!! :) and have a good day

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.

Is the number 128.439 a rational number

The product of 3 and a number increased by 8 is 31 written as an equation