Answer the question.If n is an odd number, then which of the following statements is true?
A. The equation xn - 1 = 0 has an odd number of nonreal roots.
B. The equation xn - 1 = 0 has n - 1 roots.
C. The equation xn - 1 = 0 has exactly one real root.
D. The equation xn - 1 = 0 has an even number of real roots.
Answer: C
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Solve the problem.In a race, Car A starts 1 mile behind Car B. Car A is traveling at 65 miles per hour, while Car B is traveling at 40 miles per hour. How long will it take for Car A to overtake Car B?
A. 2
minutes
B. 1
minutes
C. 
minutes
D. 9
minutes
Solve the problem.Alex has saved $336 at the bank. He wants to accumulate $1750 for a trip to soccer camp. What percent of his goal has been reached?
A. 19.2% B. 0.192% C. 50% D. 5%
Solve the problem.Determine which coordinate plane (i.e. xy-plane, yz-plane, or xz-plane) the graph of the equation 
is parallel to.
A. yz-plane B. xy-plane C. xz-plane
Estimate the sum or difference by rounding each number to the nearest hundred.918 - 763
A. 200 B. 100 C. 155 D. 1700