Does anyone know the correct choice for this question? If its correct ill mark you as the best answer choice!

Two lines that do not intersect are skew. always sometimes or never

Xy x xy if a and b are positive integers such that a*b=9 and b*a=72 what is the value of a/b

Which problem would you use the following proportion to solve for? 24/x = 40/100 a. what is 40% of 24? b. what percent is 24 of 40? c. twenty-four is 40% of what number? d. forty percent of 24 is what number?