The answer is: [C]: " (x - 4) " .
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" (x+9)(x-4) = x² - 4x + 9x - 36 = x² + 5x - 36 " .
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It will take Fred 42 minutes to type and spell check 60 pages.
- Let the first scenario be A.
- Let the second scenario be B.
- Let the unknown time be X.
Given the following data;
- Number of pages A = 13 pages
- Number of pages B = 60 pages
To find how long it takes him to type and spell check 60 pages;
We would use direct proportion to express the work described and solve for the unknown variable (time).

Cross-multiplying, we have;
×
× 

<em>X = 41.54 ≈ 42 minutes</em>
Therefore, it will take Fred 42 minutes to type and spell check 60 pages.
Find more information: brainly.com/question/89674
the gcf would be 9 because you can divide both by 9
Answer:
C. {-2,-1,0,1}
Step-by-step explanation:
The x factor for all of them is the domain.
Answer:
Step-by-step explanation:
hello :
you add 11² to complete the square
x²+22x+11²=50+11²
(x+11)² = 171