Given O below, is AB a minor arc, a major arc, or a semicircle?

Pls me this is due today and i need i will make brainliest if you me answer correctly and i will report if you try to give me a dumb answer.

(08.01)consider the following pair of equations: x + y = −2 y = 2x + 10 if the two equations are graphed, at what point do the lines representing the two equations intersect? (−4, 2) (4, 2) (−2, 4) (2, 4)

What are the measures of ∠a, ∠b, ∠c and ∠d? explain how to find each of the angle measure.