What is the product of 5 + 2i and 7 + 3i? (1) 41 + 29i (2)29 + 29i (3)41 + i (4)35 + 6i (5)29 + 41i

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?