For problems 8-11 expand the expression. Use Pascal's Triangle to find the coefficients and use the binomial theorem to find the variables in each term.
A. 
B. 
C. 
D. 
E. None of these
Answer: B
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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
Find two different spanning trees for the graph.
What will be an ideal response?
Simplify the exponential expression.(11x7)2
A. 121x14 B. 11x9 C. 121x7 D. 11x14
Use the table to solve the problem.The cost, in dollars, of a cab ride for x miles is given by the function f in the following table.
What is the cost of a 4-mile cab ride?
A. $5.81 B. $4.03 C. $6.70 D. $4.92