Answer:

Step-by-step explanation:
Know that: 
Starting for (0,0) count how many times you go up to the marked line (which is 2)

The [+] 2 is where you would start off at on the graph, with 1/2 being the slope go up one and over two.
I know for a fact that the Airjet Express had shorter flight times because it had lesser dots than the Cross Country Airlines. Hope this helped!
Answer:
16 × <u><em>X </em></u>+ 3=
Step-by-step explanation:
u will get your answer