Answer:
Option C 
Step-by-step explanation:
<u><em>Verify each expression</em></u>
case A) we have

In this expression the term of n is 6n
so
has a coefficient of positive 6
case B) we have

In this expression the term of n is -5n
so
has a coefficient of negative 5
case C) we have

In this expression the term of n is n
so
has a coefficient of positive 1
case D) we have

In this expression the term of n is -n
so
has a coefficient of negative 1
Answer:
B
Step-by-step explanation:
hope this helps with the work
Answer:
7
Step-by-step explanation:
simplify
7^(½)×7(½). or.
= 7^(½+½). [7^(½)]²
= 7¹ = 7^(2/2) = 7¹
=7