Britney bought 3 gallons of juice for $2.75 per gallon. She sold the juice 1-cup servings for $0.80 each. Each serving is 1/16 gallon. How much more did She get for selling the juice than she paid to buy it?

Which is the equation of an ellipse with directrices at x = ±4 and foci at (2, 0) and (−2, 0)?

Find the commission on a $590.00 sale if the commission is 15%.

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?