What is 2 equivalent fractions for 18/42

In the figure shown below, m < 40 and ab =8. which equation could be used to find x?

When a rectangle is dilated, how do the perimeter and area of the rectangle change?

Okay so i didn't get this problem petro bought 8 tickets to a basketball game he paid a total of $200 write an equation to determine whether each ticket cost $26 or $28 so i didn't get this question so yeahyou have a good day.