Help me please , l can't solve it ​

Which system of linear inequalities is represented by the graph? !

If each bricks costs and he can only buy one brick how much will it cost him to get the material to put around the outside of his garden?

Me its important ! marge runs an ice cream parlor. her speciality is triple chocolate sundaes. she can prepare 1 sundae every 2 minutes, and she earns $1.20 for each sundae she makes . if she just makes sundaes for a single shift of at most 4 hours and at least 2 hours , which function relates her earnings to the number of minutes she works?