What is the surface area?

Convert 16 yards to feet use the conversion rate 3 feet = 1 yard

Find the quotient. 50a2 – 98b2 -5a +7b

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?