Solve this question for 20 points pls

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.

The parabola x = y² - 9 opens: a.)up b.)down c.) right d.)left

If 3 3/4 lb. of candy costs 20.25 how much would 1lb. of candy cost