Find the focus and directrix of the parabola.x = 4y2
A. (0, 1/16); x = 1/16
B. (1/16, 0); x = -1/16
C. (1/4, 0); x = -1/4
D. (0, 1/16); y = -1/16
Answer: B
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Solve the equation.(y - 5) - (y + 4) = 8y
A. - 
B. - 
C. - 
D. - 
Find the number of elements in the indicated set by referring to the given table.The table below shows the results of a poll taken in a U.S. city in which people are asked which candidate they intend to vote for in an upcoming presidential election. 
Find the number of people in the set F ? (D ? R)
A. 1125 B. 0 C. 21 D. 1146
Sketch the graph of the function below.
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?
A. ?
B. ?
C. ?
D. ?
E. ?
Add or subtract. Then simplify. If a denominator has two or more factors (other than monomials), leave it in factored form. Express the answer using the denominator of the first fraction when applicable.
- 
A. 
B. 11
C. 
D. 