1. A coefficient is best defined as
A. the number that standa by itself
B. a number to be added by a variable
C. a number being multiplied by a variable
D. a number being divided by a variable

2.which of the following expressions would need parenthesis

a.four times that difference of a number and 8
b.15 less than a number multiplied 12
c.6 diminished by a number
d. four times a number

3.what is the algebraic equation of the product of 20 and 5 minutes 78 is n?

a.(20‐5)-78=n
b.(20+5)+78=n
c.(20×5)+78=n
d. (20-5)-78=n​