Answer:
<u>The answer is the option B</u>

Step-by-step explanation:
we have

Group terms that contain the same variable

Combine like terms


Answer: (x+(-4))^2 + (-67)
Step-by-step explanation:
To get -8, you must have (x-4)^2, and the expanded form of that is x^2-8x+16, so you need to subtract 67 to get 51.
Answer:

Step-by-step explanation:
You need to solve the equation for x.
First change all the mixed numbers to improper fractions. Remember that a improper fraction the numerator (top number) is larger than the denominator (bottom number).

All you need to do is multiply the numerator with the whole number, then add to the numerator:

Now simplify, to get rid of the numbers that are dividing:

Cancel same numbers that are multiplying and dividing:

Clear X:

Simplify

you will get the following improper fraction: 
and for the mixed fraction you will have 
Answer:
18.21, 18.423, 18.432, 19.2.
Step-by-step explanation:
These are ordered from least to greatest, for greatest to least, flip the order around.
Hope this helped!