Solve the problem.Martha can rake the leaves in her yard in 3 hours. Her brother can do the job in 6 hours. How long will it take them to do the job working together?
A. 
hr
B. 2 hr
C. 
hr
D. 
hr
Answer: B
Mathematics
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Use the graph of the rational function f(x) to complete the statement.As x?-?, f(x)? 
. 
A. +? B. -? C. -1 D. 0
Mathematics
Find the slope of the line containing the given pair of points. If a slope is undefined, state that fact.(2, 3) and (8, 8)
A. - 
B. 
C. 
D. 
Mathematics
Solve the problem.The maximum distance d in kilometers that you can see from a height h in meters is given by the formula 
How far can you see from the top of a 
building? Round to the nearest tenth.
A. 22 km B. 41.2 km C. 907.4 km D. 77.1 km
Mathematics
Find percent notation.
A. 183
%
B. 
%
C. 
%
D. 18
%
Mathematics