Add or subtract as indicated. Express the answer as a single polynomial in standard form.(8x4 - 17x3) - (12x4 + 11x3)
A. -32x7
B. 20x4 - 6x3
C. -4x4 - 28x3
D. -4x4 - 6x3
Answer: C
Mathematics
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Find the volume of the solid generated by revolving the region R bounded by the graphs of the given equations about the 
.y = sec x, y = tan x, between x = 0 and x = 
A. 
B. 
C. 
D. 
Mathematics
Write the complex number in trigonometric form, using degree measure for the argument.-3i
A. 3(cos 90° + i sin 90°) B. 3(cos 270° + i sin 270°) C. 3(cos 180° + i sin 180°) D. 3(cos 0° + i sin 0°)
Mathematics
Find the volume of the solid, rounded to the nearest integer where appropriate.Cube with cylindrical hole of diameter of 2
A. 17,494 mm3 B. 17,413 mm3 C. 4216 mm3 D. 17,576 mm3
Mathematics
Use the graph to answer the question. 
What was the increase in sales between month 5 and month 6 of 2007?
A. $800 B. $8000 C. $4 D. $4000
Mathematics