What is the measure of z similarity in triangles someone please explain how to do these easily

If a || b and b | y, then ? a) x || y. b) x | a. c) a | y. d) a || y.

Mr. thompson is on a diet. he currently weighs 260 pounds. he loses 4 pounds per month. what part of the story makes the relationship not proportional?

Aboard 60 in. long is cut two parts so that the longer piece is 5 times the shorter. what are the length of the two pieces?