Solve the problem.A painter can finish painting a house in 5 hours. Her assistant takes 7 hours to finish the same job. How long would it take for them to complete the job if they were working together?
A. 2
hours
B. 
hour
C. 6 hours
D. 4 hours
Answer: A
Mathematics
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Integrate the function.
A. 
ln 
+ C
B. 
ln 
+ C
C. ln 
+ C
D. 
ln 
+ C
Mathematics
Make an approximate conversion as indicated. Round to the nearest tenth. The precise value of your approximation will depend on the conversion path that you choose.3.1 yd = 
m
A. 2.8 m B. 23.6 m C. 78.7 m D. 122.0 m
Mathematics
Use the square root property to solve the given equation.x2 = 9
A. {3} B. {4, -4} C. {3, -3} D. {4.5}
Mathematics
Solve the system.3w - 3y + z = 3-w + x + 3y - z = -14w - x + 3z = -20 x + 3y - z = -4
A. (-6, 0, -5 , 1) B. (-3, 8, -4, 0) C. (3, 10, -4, -1) D. ( 0, -3 , 8, 5)
Mathematics