The coefficient of q in 12 pq is

12

Step-by-step explanation:

Coefficient of a term is simply the number or digit with which one or more variables are multiplied. In this question, 12pq can be re-written as 12×p×q. By implication, 12 is multiplied by p and q. Thus the coefficient of the variable q in term 12pq = 12.

d. 8

step-by-step explanation:

the given radical expression is:

we can rewrite this as:

we express as square numbers to get;

the exponents will now cancel out to give.

the correct answer is d