Which ordered pair is a solution to this system of equations. 7x+5y=59 and 3x-9y=159

A.(-17,-12)
B.(-17,12)
C.(17,-12)
D.(17,12)

What could explain what happened when the time was equal to 120 minutes

Two angles are complementary. the larger angle is 36 more than the smaller angle. what is the measure of the larger angle?

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.