The area of the postcard is 24 square inches. what is the width bb of the message (in inches)?

Me because some of question i don’t understand

Measures of the angle of r, 31 s (x+4) t (3x+9)

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?