Find the three angles of the triangle formed using the position vectors i hat − j + 4k and i hat + 2j + 3k and the line segment connecting their endpoints. give your answers in degrees to two decimal places. (enter your answers as a comma-separated list with no degree symbols.)

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?