your mother has a new cell phone. it comes with 18 applications already installed. she only uses 2/3 of those applications. she downloaded an additional 12 applications that she uses regularly. write an equation to represent the total number of applications your mom uses. explain equation and your reasoning.

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?