Im desperate these are all my points.

each cube in this figure is a -millimeter cube. what is the total volume of the prism?

9 mm3
2 mm3
6 mm3
4 mm3

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?