Answer:
B , E
Step-by-step explanation:
A monomial has only 1 term and both the options of B and E are the only one that has one term, which means there is no other addition, subtraction, division, or multiplication in the term.
Answer:
a. 0
b. 4^1
c. 14
d. 8
Step-by-step explanation:
It can go up to four dimensional.
First example:
Subtract the 8n on both sides to get the variable on one side of the equation. Do the same for the regular numbers. Then divide by -3.

This should be your final answer.
Second Example:
Do the same thing as explained in Example 1. Here's some work to help guide you.

That should be your final answer here.
Third Example:

Hope this helps and its understandable! Let me know if you still don't understand.