ik I'm annoying but please I'm almost finished! just do these two and whoever answers correctly will get brainliest

Me complete this proof! prove that a quadrilateral is a square. me with the steps for this proof.

In the geometric progression –3, 12, −48… what term is 3,072?

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.