I need help if anyone knows

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.

For which pair of functions is (gof)(a)=|a|-2?

At a sale this week, a desk is being sold for $213. this is a 29% discount from the original price. what is the original price?