Kristen wants to build a concrete patio that will be 7 meters by 11 meters. it will cost $5.00 per square meter to build. what will be the total cost of the patio?

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?