What is -2 1/3 - (-5)?

With number 11 ( show how you got the answer)

The average length of a king cobra is 3.7 m. the record length is 1.88 m longer than the average. how long is the record holder?

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?