Answer:
B) 
Step-by-step explanation:
−x + 3 = 2x - 3
-2x - 2x
______________
−3x + 3 = −3
- 3 - 3
____________
−3x = −6
___ ___
−3 −3
[Plug this back into both equations above to get the y-coordinate of 1]; 
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<u>Answer:</u>
The total number of hours Jamie volunteered at a nursing home is 15 hours
<u>Solution:</u>
Jamie volunteered at a nursing home for 6 days.
She volunteered
hours each day at the nursing home.
We have been asked to find out the total number of hours she has volunteered at the nursing home.
We can rewrite
in decimal form to simplify the calculation.

Therefore, Jamie volunteered 2.5 hours at the nursing home each day.
To find out the total number of hours she has volunteered there, we have to do the following:


So, the total number of hours Jamie volunteered at a nursing home is 15 hours.
3s+2,000 because you multiply 3 and her salary then add 2,000
Pick any value in the y column of the table. I'm going to pick 81. Divide the value you picked by the previous y value, which in my case would be 9
Dividing the values gives: 81/9 = 9
So the base is 9. We multiply each y value by 9 to get the next y value
Eg: to go from 1/81 to 1/9, we multiply by 9. Same for 1/9 to 1, and so on.
Answer: Choice B) 9
Note: This trick only works because x is increasing by 1 each time
The polynomials can´t contain:
-Variables in the exponents of the terms.
-Variables in the denominator.
- Negative exponents.
-Fractionals exponents.
-The variables cant be as radicals.
Therefore:
a) It is a polynomial (The variable is under a radical)
b) It is not a polynomial.
c) It is a polynomial.
d) It is not a polynomial. (It has a variable in the denominator).
e) It is a polynomial.
f) It is not a polynomial. <span> (It has a </span><span>variable in the denominator).</span>