Test the equation for symmetry with respect to the given axis, line, or pole.r = 2 + 2 cos ?; the line ? = 
A. Symmetric with respect to the line ? = 
B. May or may not be symmetric with respect to the line ? = 
Answer: B
Mathematics
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Write the series using summation notation.1 + 
+ 
+ 
+ 
+ 
A. 
B. 
C. 
D. 
Mathematics
Solve. Round results to the nearest thousandth.9x2 = 6 + 10x
A. 0.043, -1.154 B. 1.543, -0.432 C. 1.154, -0.043 D. 0.432, -1.543
Mathematics
Translate the statement into a mathematical expression.Find the value of x $20-bills.
A. x - 20
B. 20 + x
C. 
D. 20x
Mathematics
Solve the problem.Sue has taken four exams so far in her History course. His scores are 83.8, 78.2, 93, and 87.5. What is the average of these scores?
A. 85.625 B. 85.775 C. 87.825 D. 84.225
Mathematics