Solve the problem.In a survey of 100 people, 27 preferred mustard on their hot dogs. What percent preferred mustard?
A. 
%
B. 2.7%
C. 0.27%
D. 27%
Answer: D
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Find the area of the specified region.Inside the outer loop and outside the inner loop of the limacon r = 6 sin ? - 3
A. 
(4? - 3
)
B. 
(2? - 3
)
C. 
(4? + 3
)
D. 9(? + 3
)
Shade the Venn diagram to represent the set.A' ? B'
A. 
B. 
Answer the question.How does the subtraction sign affect the terms -2x + 3 when 7x - 2 - (-2x + 3) is simplified? What is the simplified form?
A. It changes the sign of each term. The simplified form is 7x - 5. B. It changes the sign of each term. The simplified form is 9x - 5. C. It changes the sign of each term. The simplified form is 5x - 5. D. It changes the sign of each term. The simplified form is 9x + 3.
Use a graphing calculator to find the vertex of the graph of the function.f(x) = -0.4x2 - 0.4x + 0.1
A. (0.5, 0.2) B. (-0.5, -0.2) C. (-0.5, 0.1) D. (-0.5, 0.2)