Which of the following algebraic equations could represent the sentence, "the product of a number and five is 11"?

a, x+ 5 = 11
b, x- 5 = 11
c,= 11
d,5x= 11

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?

Divide reduce the answer to lowest term 3/7 divided 1 1/6

What is the period of the sinusoidal function ?