Simplify. Write your answer in the form a + bi, where a and b are real numbers.(-5 - 5i) - (6 - i)
A. -11 - 5i
B. 11 + 4i
C. -11 - 4i
D. -11 + 4i
Answer: C
Mathematics
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Graph the polar equation.r = -5 sin ?
A. 
B. 
C. 
D. 
Mathematics
Determine from the graph whether the function has any absolute extreme values on the interval [a, b].
A. Absolute minimum and absolute maximum.
B.
| Absolute minimum only. |
C. Absolute maximum only.
D. No absolute extrema.
Mathematics
Add. Simplify the result whenever possible. 
+ 
A. 1
B. 
C. 
D. 
Mathematics
Decide if the number is rational or irrational.0.41414141...
A. Rational B. Irrational
Mathematics