Given a = {a, e, i, o, u} and b = {a, l, g, e, b, r}, find a ∪ b. { } {a, e} {a, b, e, g, i, l, o, r, u}

Which statement accurately explains whether a reflection over the x-axis and a 180° rotation would map figure acb onto itself?

Two streets intersect at a 30- degree angle. at the intersection, the are four crosswalks formed that are the same length. what type of quadrilateral is formed by the crosswalks?

Can someone me with this problem i don't understand i need