Does the problem involve permutations or combinations? Do not solve.The matching section of an exam has 5 questions and 9 possible answers. In how many different ways can a student answer the 5 questions, if none of the answer choices can be repeated?
A. permutations
B. combinations
Answer: A
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List the intercepts of the graph.Tell whether the graph is symmetric with respect to the x-axis, y-axis, origin, or none of these. 
A. intercepts: (0, -5) and (0, 5) symmetric with respect to y-axis B. intercepts: (0, -5) and (0, 5) symmetric with respect to x-axis, y-axis, and origin C. intercepts: (-5, 0) and (5, 0) symmetric with respect to x-axis, y-axis, and origin D. intercepts: (-5, 0) and (5, 0) symmetric with respect to origin
Solve the problem.How many km long is a 7100 m race?
A. 710,000 km B. 7.1 km C. 71 km D. 0.71 km
Construct a probability model for the experiment.Rolling a 6-sided fair die once
What will be an ideal response?
Perform the indicated operation.(3n5 - 5n2 - 17) - (15n2 + 9n5 + 4)
A. -6n5 - 20n2 - 21 B. -47n7 C. -6n5 + 4n2 - 13 D. -6n5 - 20n2 - 13