Given that E is the midpoint of AB and also the midpoint of CD prove that angle 1 equals angle 2

Can somebody 1. what is the formula for finding the vertical distance between two points on a coordinate plane?

Melanie is buying a bathing suit that costs 39.99. she is given a discount at the cash register of $6.00 when she scratched 15% off on a game piece for a store promotion. what will the sale price of melanie’s bathing suit be?

Atotal of 766 tickets were sold for the school play. they were either adult tickets or student tickets. there were 66 more student tickets sold than adult tickets. how many adult tickets were sold?