260° B
C С
500
259
D
E
ABCD is a quadrilateral.
ADE is a straight line.
Find the size of the angle marked y.
Give a reason for each stage of your working.

Pls! does anybody know a shortcut for answering these types of questions in the future?

Consider the proof. given: segment ab is parallel to line de. prove: what is the missing statement in step 5?

Marla bought a book for $12.95, a binder for $3.49, and a backpack for $44.99. the sales tax rate is 6%. find the amount of tax and the total she paid for these items