Line segments ad and be intersect at c, and triangles abc and dec are formed. they have the following characteristics: ∠acb and ∠dce are vertical angles ∠b ≅ ∠e bc ≅ ec which congruence theorem can be used to prove △abc ≅ △dec? hl asa sss sas

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.