The graph of a polar equation is given. Select the polar equation for the graph. 
A. r sin ? = -2
B. r = -4 cos ?
C. r = -4 sin ?
D. r = -2
Answer: C
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Solve the system by elimination.
A. (1, -8) B. (-1, 8) C. inconsistent, ? D. (1, 16)
Provide an appropriate response.What does it mean for an observed difference to be statistically significant at the 0.01 level?
A. The probability of the observed difference occurring by chance is 1 in 100 or more. B. The probability of the observed difference occurring if the alternative hypothesis is true is 1 in 100 or more. C. The probability of the observed difference occurring if the alternative hypothesis is true is 1 in 100 or less. D. The probability of the observed difference occurring by chance is 1 in 100 or less.
Provide an appropriate response.Round 54,998 to one nonzero digit.
A. 50,000 B. 0 C. 54,000 D. 60,000
Find the zeros of the polynomial function and state the multiplicity of each.f(x) = (x2 - 1)2
A. 1, multiplicity 2 B. 1, multiplicity 4 ; -1, multiplicity 4 C. 1, multiplicity 2 ; -1, multiplicity 2 D. - 1, multiplicity 2