Question 8 E 4) Listen ► Consider the problem of determining whether there exists a route that visits every tourist attraction in Nova Scotia exactly once. Which of the following applies? I. This problem is in P. II. This problem is in NP. II. This problem is in PSPACE. O Il and III O I, II, and III O I and III O I and II Question 9 E4) Listen Suppose you had a problem that could be solved in polynomial space. Which of the following always applies? I. This problem is in P. II. This problem is in NP. III. This problem is in PSPACE. O , II, and II O Il and III O II O I and III I and II Question 10 Suppose you wanted to show that a problem was NP-Hard. Which of the following would you need to show? This problem can be reduced to another NP-Complete problem. O This problem can be verified in polynomial time. O An NP-Complete problem can be reduced to this problem. O This problem cannot be solved in polynomial time.

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