I need help with this if your are right I will mark you

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.

On a piece of paper graph f(x)=5•(0.4)^x

Solve the inequality and graph 6j - 7 < 5