20pts!
2) explain why the triangles below are proportional to each other.

4) a train travels at a consistent speed of 66 mph. how far will it travel in 3 hours?

5) abbie is selling floral arrangements. each arrangement uses 1 vase and 10 daises. each vase costs abbie $3.00. let c be the total cost of the arrangements and d be the cost of 1 daisy. white an equation, in slope-intercept form, that represents the total cost of each arrangement.
use this equation to find out what the cost of the arrangement would be if each daisy cost abbie $2.00