Factor by grouping.x3 + 9x2 + x + 9
A. (x2 + 1)(x + 9)
B. (9x2 + 9)(x + 1)
C. (x2 + 9)(x + 1)
D. (x2 + 1)(9x + 9)
Answer: A
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At the outside wall the roof is 8 feet high. Also, 5 horizontal feet from the outside wall toward the interior of the room, the roof is 11 feet tall. If the roof is extended beyond the outside wall, what is the height of the roof 5 horizontal feet from the outside wall toward the exterior of the room? ?
A. 5.80 feet B. 5.73 feet C. 5.00 feet D. 6.26 feet
Use any method to evaluate the integral.
dx
A. csc x + C B. -sec x + C C. sec x + C D. -csc x + C
Find the pH of a solution with a hydrogen ion concentration of 
gram-ions per liter. Round your answer to two decimal places.
?
A. 4.83 B. 0.48 C. 4.82 D. 4.72 E. 4.78
List the given numbers in order from least to greatest.|-0.76|, 0, -2.87, |-5.2|, 1
, -4.7
A. |-5.2|, -4.7, -2.87, |-0.76|, 0, 1
B. -2.87, -4.7, 0, 1
, |-0.76|, |-5.2|
C. -4.7, -2.87, |-0.76|, 0, 1
, |-5.2|
D. -4.7, -2.87, 0, |-0.76|, 1
, |-5.2|