Solve the problem.A signal is made by placing 3 flags, one above the other, on a flag pole. If there are 6 different flags available, how many possible signals can be flown?
A. 20
B. 216
C. 120
D. 18
Answer: C
Mathematics
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Determine the largest set on which the function is continuous.
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Mathematics
Solve the given inequality (a related function is graphed).-x3 + 2x2 + 9x - 18 < 0 
x-intercepts: (-3, 0), (2, 0), (3, 0)
A. (-?, -3) ? (2, 3) B. [-3, 2] ? [3, ?) C. (-3, 2) ? (3, ?) D. (3, ?)
Mathematics
Evaluate.
A. -9 B. -11 C. 7 D. 11
Mathematics
Find all square roots of the number.900
A. -60, 60 B. -31, 31 C. -30, 30 D. -32, 32
Mathematics