Question

http://kcdistancelearning.blackboard.com/asmnt_images/MTH05-E-0803-0-01/MTH05.p2.q6.gif

using the link above:
1.)What reason justifies why triangle ABC is similar to triangle ADE?
A.) SSS B.) SAS C.) AA or D.) the triangles are not similar

2.) Find X,
A.) 4 B.) 5 C.) 6 or D.) 8

3.) Find y,
A.) 10 B.) 5 C.) 4 or D.) 2.5

any help is greatly appreciated!