Aroom has a cathedral ceiling. if the walls in the room are 10 feet high and the ceiling is 18 feet high in the center of the room that is 35 feet wide, find the slope of the left side of the ceiling. express your answer as a decimal rounded to two places.

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?