Provide an appropriate response.
Determine the value that is NOT excluded as a possible solution to the rational equation: 
= 
+ 
A. x = 2
B. x = 0
C. x = -4
D. x = 12
Answer: D
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Solve the problem.Peter's Construction Company needs to cut an arch for the top of a doorway. The arch needs to be 14 feet wide and 4 feet high. The arch will be a section of a circle, drawn using a stretched string with a pencil attached at the end as a compass. Using the coordinate system as shown in the drawing, find the coordinates of the point that would be the center of the circle. Also find the radius of the circle. Round to the hundredths place.
?a = 7
A. (0, -4.13); 8.13 B. (0, -3.79); 7.79 C. (0, -41.25); 45.25 D. (0, -3.88); 7.88
What is the standard deviation of this set of numbers: 6, 5, 2, 9, 0, 3, 3?
A. 2.94 B. 4.00 C. 9.00 D. 3
Factor completely.k2(k - 3) - 5(k - 3)
A. (k - 5)(k2 - 3) B. (k - 3)(k2 + 5) C. -5k2(k - 3) D. (k - 3)(k2 - 5)
Add or subtract as indicated. Make sure that your answer is reasonable by estimating first.15.460 - 11.907
A. 3.553 B. 3.653 C. -3.553 D. 27.367