Identify the vertex of the parabola.f(x) = 
x2 + 
x
A. 
B. 
C. 
D. 
Answer: A
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Solve the problem.Suppose that candidates A and B have moderate political positions, while candidate C is quite liberal. Voter opinions about the candidates are as follows:27% want A as their first choice, but would also approve of B.3% want A as their first choice, and approve of neither B nor C.75% want B as their first choice, but would also approve of A.45% want C as their first choice, and approve of neither A nor B.If an election is held using the approval voting method, which candidate wins?
A. There is a tie. B. C C. B D. A
Write the Hindu-Arabic numeral in expanded form.710,002,002
A. (7 × 108) + (1 × 107) + ( 0 × 106) + ( 0 × 105) + ( 0 × 104) + (2 × 103) + ( 0 × 102) + ( 0 × 101) B. (7 × 108) + (1 × 107) + ( 0 × 106) + ( 0 × 105) + ( 0 × 104) + ( 0 × 102) + ( 0 × 101) + (2 × 1 ) C. (7 × 108) + (1 × 107) + ( 0 × 106) + ( 0 × 105) + ( 0 × 104) + (2 × 103) + ( 0 × 102) + ( 0 × 101) + (2 × 1 ) D. (7 × 108) + ( 0 × 106) + ( 0 × 105) + ( 0 × 104) + (2 × 103) + ( 0 × 102) + ( 0 × 101) + (2 × 1 )
Find the corresponding angle measure in radians.45°
A. 
B. 
C. 
D. 
Use the Pythagorean theorem to find the length of the unknown side of the right triangle. Give an exact answer.
A. 10 B. 7 C. 5 D. 9