The probability that a randomly selected student from a college is female is 0.55. The probability that a randomly selected student from this college works for more than 10 hours per week is 0.62. The probability that a randomly selected student from this college is female and works for more than 10 hours per week is 0.23. What is the probability that a student selected at random from this college is female or works for more than 10 hours per week?

Idon’t understand this.. will someone ? will mark brainliest along with 20 points.

If the scale factor between two circles is 2x/5y what is the ratio of their areas?

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.