Solve the problem.An experienced accountant can prepare a tax return in 11 hours. A novice accountant can do the job in 18 hours. How long will it take them to do the job working together?
A. 
hr
B. 
hr
C. 
hr
D. 
hr
Answer: C
Mathematics
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Plot the point having the given polar coordinates.
A. 
B. 
C. 
D. 
Mathematics
Subtract.812 - 88
A. 900 B. 624 C. 720 D. 724
Mathematics
Perform the division and write the answer without using negative exponents.
?
?
Do not change the order of the terms or variables in the resulting expression.
What will be an ideal response?
Mathematics
Solve the equation on the interval 0 ? ? < 2?.2 sin2 ? = 3(cos ? + 1)
A. 
B. 
C. 
D. 
Mathematics