Angry birds graph
i included a screenshot of the graph and also a picture of the questions that need to be answered about this graph, someone me.

Adiverr from the university of florida women’s swimming and diving team is competing in the ncaa zone b championships

Every weekday, mr. jones bikes from his home to his job. sometimes he rides along two roads, the long route that is shown by the solid lines. other times, he takes the shortcut shown by the dashed line. how many fewer kilometers does mr. jones bike when he takes the shortcut instead of the long route?

One number is 4 less than 3 times a second number. if 3 more than two times the first number is decreased by 2 times the second number, the result is 11. use the substitution method. what is the first number?