Evaluate each expression if a = 9, b = 3, and c=1/3 19+6a divided by 2.

What is the measure of angle x? a.101 b.158 c.44 d.79

Idon't get undoing if its pass adding and subtracting so can someone ? x-2 over 5 = 18

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?