I need help with Algebra 1. I am in 8th grade and its fairly easy?

Question

Ok here's the problem, I have 1/2 the answer and I need help:
4. In the figure below

l A
l
l
l B --------- D
l (90 degrees)
l
l C/ E

ABC is a straight line measuring 180 degrees
BDE is a right angle
BDA is a right angle

Ok here's the problem, I have 1/2 the answer and I need help:
4. In the figure below

l A/D
l
l
l B --------- E
l (90 degrees)
l
l C

ABC is a straight line measuring 180 degrees
BDE is a right angle
BDA is a right angle

I messed up the first picture, the second one is accurate.

Answer 1

ABC = ABD + DBC

Answer 2

Are C and E the same point?
If so, angle CBE would be zero degrees.