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

How do i do this activity, is appreciated

Asunflower was 20 1/2 inches tall. over the next 6 months, it grew to a height of 37 inches tall. what was the average yearly growth rate of the height of the plzzz write a proportion i will give you 100 points

21 a stick 7 inches long is broken into two pieces, so that one piece is twice as long as the other one. how long are the two pieces?