Find the x-intercepts of the graph of each equation.y = (x - 5)(x + 9)
A. (-5, 0), (9, 0)
B. (-5, 0), (-9, 0)
C. (5, 0), (9, 0)
D. (5, 0), (-9, 0)
Answer: D
Mathematics
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Perform the indicated operations.
+ 
A. 
B. 
C. 
D. 
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Solve the problem.The speed of a stream is 5 mph. If a boat travels 
downstream in the same time that it takes to travel 
upstream, what is the speed of the boat in still water?
A. 15 mph B. 18 mph C. 17 mph D. 10 mph
Mathematics
Provide an appropriate response.In what quadrant of the xy-plane does P(-7, 4) lie?
A. II B. I C. IV D. III
Mathematics
Find all specified roots.Fifth roots of 1.
A. 1, cis 
, cis 
, cis 
, cis 
B. 1, cis 
, cis 
, cis 
, cis 
C. 1, cis 
, cis 
, cis 
,-1
D. -1, cis 
, cis 
, cis 
, cis 
Mathematics