What angle would earth tilt need to be in order there to be no seasons

a. 0

b. 45

c. 90

d. changing the tilt will have no effect on the seasons

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?