Factor by grouping.xy + y + 7x + 7
A. (x + 1)(7y + 7)
B. (7x + 7)(y + 1)
C. (x + 1)(y + 7)
D. (x + 7)(y + 1)
Answer: C
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Use an ordered pair to identify each point on the given coordinate plane. State the quadrant or axis where each point lies.
A. A(7, 22) in Quadrant I; B(7, -4) in Quadrant IV B. A(3, 7) in Quadrant I; B(-4, 7) in Quadrant II C. A(3, 7) in Quadrant I; B(7, -4) in Quadrant IV D. A(3, 7) in Quadrant I; B (7, 7) in Quadrant I
Use the preference table to answer the question.Computer Specialists is planning a group vacation to one of the following locations: Alaska (A), Florida (F), San Antonio (S), or Hawaii (H). The employees rank the four possible sites according to the following preference table. 
Determine the winner using the pairwise comparison method.
A. Florida & Hawaii (tie) B. Alaska & Hawaii (tie) C. Alaska & Florida (tie) D. Alaska
Express the product as a sum containing only sines or cosines.sin 
cos 
A. 
[cos(12?) - sin(10?)]
B. 
[sin(6?) - sin(5?)]
C. 
[cos(6?) + sin(5?)]
D. 
sin cos(11?)
Name the highlighted angle using the three-letter form of identification.
A. ?LOF or ?FOL B. ?O C. ?COI or ?IOC D. ?COL or ?LOC