Add or subtract as indicated. Write the answer in simplest form.
+ 
A. 5z + 2
B. 
C. 
D. 
Answer: D
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A physician writes a medical order as follows: nitroglycerin gr 1/400 subL prn. Assuming that only 0.3 mg tablets are available, how many tablets are needed to fill this prescription?
A. 2 B. 1/2 tablet C. 10 D. cannot be calculated
Solve the problem.A tank is designed by revolving the parabola y = 3x2, 0 ? x ? 2, about the y-axis. The tank, with dimensions in meters, is filled with water weighing 
How much work will it take to empty the tank by pumping the water to the tank's top? Give your answer to the nearest J.
A. 92,363 J B. 8,866,831 J C. 2,955,610 J D. 985,203 J
Evaluate the determinant.
A. 8x3 + 6x + 108 B. 8x3 + 6x - 108 C. 10x3 + 6x + 108 D. 10x3 - 6x + 108
Refer to the graph of the linear function defined by 
or the graph of the linear functions defined by 
and 
to solve the equation or inequality.
y1 - y2 > 0
A. (-?, 10) B. (10, ?) C. (2, ?) D. (-?, 2)