Answer:

Step-by-step explanation:
A polynomial is the sum or difference of one or more monomials. A monomial is a constant, a variable, or the product of constants and variables. It does not include negative exponents.
The first choice is a polynomial because the only terms are variables with positive exponents and constants.
The second choice is a polynomial because the only terms are variables with positive exponents and constants.
The third choice is not a polynomial because the first term has a negative exponent.
The fourth choice is a polynomial because the only terms are variables with positive exponents and constants.
Answer:
Approximately 391 minutes taken by 20 people to paint 20 walls.
Step-by-step explanation:
Given : It takes 48 minutes for 7 people to paint 7 walls.
To find : How many minutes does it take 20 people to paint 20 walls?
Solution :
7 people to paint 7 walls in 48 minutes.
So, 1 people to paint 7 walls in
minutes.
and 1 people to paint 1 walls in
minutes.
Now, We have to find minutes does it take 20 people to paint 20 walls.
20 walls will be painted in
minutes.
20 people to paint 20 walls in
minutes.
i.e. 
Therefore, Approximately 391 minutes taken by 20 people to paint 20 walls.
Answer:
Number of min
Step-by-step explanation:
Hi,
Since the number of min determines our total cost, it's the independent variable.
Hope this helps :)
Answer:
You are only given a Side, an Angle, and then a side. So that is what I would choose. It can't be AA because you weren't given two angles. It can't be SSS because you weren't given 3 sides.
Step-by-step explanation:
Answer: A is the correct answer