Which equation represents this statement? 5 less than twice a number is 3

2n−5=3

3−2n=5

5−2n=3

2n−3=5

∠aed is formed inside a circle by two intersecting chords. if minor arc bd = 70 and minor arc ac = 180, what is the measure of ∠ aed? a) 45° b) 50° c) 55° d) 60°

Ineed me i stuck and i don’t want to get it wrong

Can someone me with #s 8, 9, and 11. with just one of the three also works. prove using only trig identities.