WILL GET 15 POINTS AND MARKED BRAINLINESt 1. Create your own expression that contains at least one operation and one variable.

example: 5x

2. Describe a situation that your expression can model.

example: x represents the price of a pound of grapes, in dollars. Cheryl buys 5 pounds of grapes. The cost of Cheryl's grapes can be modeled by 5x

8. kelly wants to buy a magazine that is $25. later the magazine was marked up an additional 20%. what is the new price?

Find the value of x to the nearest tenth.

Question 2 (essay worth 10 points) (03.02 mc) in δabc shown below, point a is at (0, 0), point b is at (x2, 0), point c is at (x1, y1), point d is at x sub 1 over 2, y sub 1 over 2, and point e is at the quantity of x sub 1 plus x sub 2 over 2, y sub 1 over 2: triangle abc is shown. point d lies on segment ac and point e lies on segment bc. a segment is drawn between points d and e. point a is at the origin. prove that segment de is parallel to segment ab.