Solve.
+ 8 = 
+ 7
A. 20
B. - 20
C. - 
D. 
Answer: A
Mathematics
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Each number below is the number of miles the Hoover family has driven in a week. Determine the frequency of the class interval for this data. 
Miles Driven
A. 2 B. 3 C. 4 D. 5
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Does the pair of triangles appear to be similar? Write similar or not similar.
A. Similar B. Not similar
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Form a polynomial f(x) with real coefficients having the given degree and zeros.Degree: 4; zeros: 1, -1, and 4 - 2i
A. f(x) = x4 - 8x3 + 19x2 + 8x - 20 B. f(x) = x4 - 8x3 + 19x2 + 8x + 20 C. f(x) = x4 + 8x3 + 19x2 + 8x + 20 D. f(x) = x4 + 8x3 + 19x2 + 8x - 20
Mathematics
Solve the problem.From a group of 3 men and 4 women, a delegation of 2 is selected. What is the expected number of men in the delegation?
A. .57 B. .48 C. 1 D. .86
Mathematics