Perform the indicated operation. Simplify if possible.
- 
+ 
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Solve the problem.The amount of particulate matter left in solution during a filtering process is given by the equation 
where n is the number of filtering steps. Find the amounts left for 
and 
(Round to the nearest whole number.)
A. 300 units; 1200 units B. 600 units; 75 units C. 300 units; 9 units D. 300 units; 75 units
Mathematics
Perform the indicated operation. Write the answer in the form a + bi.4(cos 30° + i sin 30°) ? 6(cos 330° + i sin 330°)
A. -12 + 12i
B. 24i
C. 12
+ 12i
D. 24
Mathematics
Use the vertex and intercepts to sketch the graph of the quadratic function.y - 4 = (x + 5)2 
A. 
B. 
C. 
D. 
Mathematics
Write as a subtraction problem and evaluate.18x subtracted from 24x
A. 24x - 18x; 6 B. 24x - 18x; -6 C. 24x - 18x; 6x D. 24x - 18x; -6x
Mathematics