The correct answer is: H.
Answer:
n=2.5
Step-by-step explanation:
First, write an equation!
n+5n-6+2n+1=15
Now, combine like terms to make things easier.
8n-5=15
Cancel -5 from the left to isolate 5n as a variable.
8n-5+5=15+5
8n=20
Now divide both sides by 8.
8n/8=20/8
n=2.5
Answer:

Step-by-step explanation:
So first calculate what fraction of the circumference the arc is.

Now the circumference is 6, so one eighteenth of that is 
Answer:
$116.00
Step-by-step explanation:
80.00x45%=36.00
80.00+36.00=116.00
80<2x (x = # of pens)
/2 /2
40<x
39 pens at most