Solve the problem.In how many ways can a group of 7 students be selected from 8 students?
A. 7
B. 1
C. 56
D. 8
Answer: D
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Solve the problem. Use a Venn diagram, as needed.A survey of a group of 118 tourists was taken in St. Louis. The survey showed the following:65 of the tourists plan to visit Gateway Arch;50 plan to visit the zoo;11 plan to visit the Art Museum and the zoo, but not the Gateway Arch;14 plan to visit the Art Museum and the Gateway Arch, but not the zoo;18 plan to visit the Gateway Arch and the zoo, but not the Art Museum;8 plan to visit the Art Museum, the zoo and the Gateway Arch;15 plan to visit none of the three places.How many plan to visit the Art Museum only?
A. 37 B. 14 C. 103 D. 50
Provide an appropriate response.What is wrong with the following problem? Explain and correct the error. 
=
What will be an ideal response?
Find the exact value of the expression.
A. - 
B. -2
C. - 
D. -
Approximate the expression to the nearest thousandth.
A. -0.2 B. -0.163 C. -0.315 D. -0.178