Please help! I’ll give points if it’s correct! Simplify each expression

30. (3/8)^2

32. (3x/y)^4

Three students, javier, sam, and corrine, participated in a fundraiser where people donated a certain amount of money per lap that the student ran. each student also had some initial donations that were collected before the run. the equations that represent each student's total donation, y, based on the number of laps ran, x, is shown below. match each equation with the correct rate of change for that student.

If a revenue in total for a month was $9,950, fixed expenses were $9,000, and variable expenses were $300 what would be the total profit/ loss for the month?

Is experimental probibilty the same as the observed frequency in math? i need the answer asap!