Graph the parabola or ellipse. Include the directrix that corresponds to the focus at the origin.r = 
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Determine whether the sequence converges or diverges, and, if it converges, find 
an.an = (-1)n 
A. 5 B. ±5 C. 0 D. Diverges
Mathematics
What term of the arithmetic sequence is the given number?803, 784, 765, . . . ; -185
A. 52 B. 49 C. 50 D. 53
Mathematics
Determine the number of significant digits in the number 12.002
What will be an ideal response?
Mathematics
Evaluate the expression.(-27)2/3
A. not a real number B. -3 C. -9 D. 9
Mathematics