Need to find the value for each letter a-f

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 of the following answers is 5/25 simplified? 1/5 5/5 2/5 1/25

17 in long 1.3 ft wide and 8in high what is the volume