Help ASAP after i submit it says i didn't prove enough side.

Quadrilateral Proofs (Level 1)

Problem : Given: ABCDABCD is a square.

Prove: △ABE≅△CBE.

The line containing the midpoints of the legs of right triangle abc where a(-5,5), b(1, 1), and c(3, 4) are the vertices.

Angela is buying a dress that is on sale for 20% off. if the original price of the dress is $40.00, how much money is angela saving on the dress? a. $0.80 b. $3.20 c. $32.00 d. $8.00

The focus of parabola is (-4, -5), and its directrix is y= -1. fill in the missing terms and signs in parabolas equation in standard form