How do I solve this?

∠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°

X+ y = 5 ; x - y =3 solve using linear combination

What is 1/3x5 on anuber line what does it look like on a number line