Find the value of x that will make A parallel to B

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.

Farnesene is a sesquiterpene. how many different isomers arising from double-bond isomerizations are possible? g

How do you do the foil method with polynomials?