Solve the problem.An equal number of shaded and nonshaded discs are lined up in a row with all the shaded discs together and all the nonshaded discs together. Switching just 2 adjacent discs at a time, find the minimum number of moves required to arrange the discs so that shaded and nonshaded discs alternate. Use the pattern below to solve.
If the total number of discs in the row is 12, the number of moves needed is 
.Look for a pattern.If the number of discs in the row is 2n, how many moves are needed?
A. 23; 3n + 1
B. 15; 
C. 21; 
D. 13; 
- 2
Answer: B
Mathematics
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Which of the following is not true when rolling a standard die one time? ?
A. ?The possible outcomes are 1, 2, 3, 4, 5, and 6. B. ?An event is the number of number of even numbers. C. ?The favorable outcomes of rolling a die and getting an even number are 1/2. D. ?The favorable outcomes of rolling a die and getting an even number are 2, 4, and 6. E. ?Each outcome is as likely as any other outcome.
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Solve.Find the product of 13 and 508.
A. 6612 B. 6596 C. 754 D. 6604
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Determine algebraically whether the function is even, odd, or neither.f(x) = -2x3
A. even B. odd C. neither
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Add.
+ 927 + 9011
A. 9967
B. 
C. 9909
D. 
Mathematics