Give an appropriate answer.Using the following graph, find an Euler circuit that begins and ends with vertex C.
A. No Euler circuit exists.
B. C ? D ? A ? E ? F ? A ? B ? C
C. C ? D ? A ? E ? F ? A ? B ? C ? D
D. C ? D ? A ? E ? F ? A ? B
Answer: B
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Solve the problem.A figure skater must trace a figure eight on the ice that consists of two perfect circles, each with a radius of 10 ft. How far does the skater go in tracing the figure eight?(Use 3.14 for ? .)
A. 125.6 ft B. 62.8 ft C. 29.4 ft D. 31.4 ft
Find the expected value.Mr. Cameron is sponsoring an summer concert. He estimates that he will make $300,000 if it does not rain and make $60,000 if it does rain. The weather bureau predicts the chance of rain is 0.34 for the day of the concert. What are Mr. Cameron's expected concert earning?
A. $300,000 B. $360,000 C. $60,000 D. $218,400
Provide an appropriate response. On a wager, A gambler bets $7 and wins 3 times the amount of the initial bet. Express as a signed number the amount of money he won.
A. -$21 B. -$4 C. +$21 D. +$4
Solve the problem.The difference of the reciprocals of two consecutive integers is 
. Find the integers.
A. 4 and 5 or -4 and -5 B. 10 and 11 or -10 and -11 C. 3 and 4 or -3 and -4 D. 5 and 6 or -5 and -6