While Johari attends college, she is responsible for her personal expenses. She estimates her expenses for one month to be $800. If Johari tutors for 10 hours a week, how much does she need to charge per hour to cover her monthly expenses?

What percent of 18 is 24? and plz explain thx.

10 points? ? +++ me asap gabriella uses the current exchange rate to write the function, h(x), where x is the number of u.s. dollars and h(x) is the number of euros, the european union currency. she checks the rate and finds that h(100) = 7.5. which statement best describes what h(100) = 75 signifies? a) gabriella averages 7.5 u.s. dollars for every 100 euros. b) gabriella averages 100 u.s. dollars for every 25 euros. c) gabriella can exchange 75 u.s. dollars for 100 euros. d) gabriella can exchange 100 u.s. dollars for 75 euros.

Find the dimensions of the circle. area = 64π in.² r= in.