Factor by grouping.7y - 77 + xy - 11x
A. (x - 11)(7y + x)
B. (y - 11)(7 + x)
C. (y - 11x)(7 + x)
D. (x - 11)(y + 7)
Answer: B
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Match the given equation with one of the graphs.16x2 - 9y2 = 144
A. 
B. 
C. 
D. 
Find A-1 if it exists.A = 
A. 
B. 
C. 
D. Does not exist
Solve the application and answer with a complete sentence.The total length of a boat race is 
of a mile. Chloe has completed 
of a mile. How much does she have left to complete?
A. She has 
of a mile left.
B. She has 
of a mile left.
C. She has 
of a mile left.
D. She has 
of a mile left.
You are skiing down a mountain with a vertical height of 1250 feet. The distance from the top of the mountain to the base is 2500 feet. What is the angle of elevation from the base to the top of the mountain? ?
A. 60° = 
B. 30° = 
C. 0° = 0
D. 90° = 
E. 45° = 