Answer:

Step-by-step explanation:
I supposed that is a "n".
Steps as below:

Answer: 27
Step-by-step explanation:
X=6+3y
Let me know if you need the steps:)
Answer:
Step-by-step explanation:
4) C looks pretty good
5) D looks great
:) ask if you'd like to know how I figured that out
Answer:
47/100
Step-by-step explanation:
47 = 0.47 = 47/100