Provide an appropriate response.Let A and B be finite sets. Explain why 
What will be an ideal response?
Answers will vary. Sample answer: The set 
contains all of the different elements that are found in either set A or set B. Therefore A cannot have more elements than A ? B, and n(A ? B) ? n(A).
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Two marbles are drawn without replacement from a box with 3 white, 2 green, 2 red, and 1 blue marble. Find the probability.Both marbles are green.
A. 
B. 
C. 
D. 
Write a word name for the given decimal notation.0.5385
A. Five thousand three hundred eighty-five ten-thousandths B. Five thousand three hundred eighty-five hundred-thousandths C. Five thousand three hundred eighty-five thousandths D. Five thousand three hundred eighty-five hundredths
Solve the problem.In one U.S. town the annual consumption, b, of beef (in kg per person) can be estimated by 
where t is the number of years since 1975. Estimate the beef consumption in the year 1985.
A. About 12 kg per person B. About 15 kg per person C. About 18 kg per person D. About 24 kg per person
Solve the problem.The width of a rectangle is x - 
feet and its area is 3x3 + 17x2 + 21x - 9 square feet. Write a polynomial that represents the length of the rectangle.
A. 3x2 + 18x - 27 ft
B. 3x2 + 18x + 27 ft
C. 3x2 + 16x + 
ft
D. 3x2 - 18x + 27 ft