Simplify.[2 ÷ (7 - 5) + 62] - [5 - (-1)]2
A. 11
B. 1
C. 13
D. 61
Answer: B
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Find an expression for the nth term of the arithmetic sequence.- 
, - 
, - 
, - 
, - 
, . . .
A. an = - 
B. an = - 
C. an = - 
D. an = - 
Evaluate the expression.61
A. 
B. 6
C. 1
D. -6
In a certain city there is a river running through the middle of the city. There are three islands and seven bridges as shown in the figure below.
Which of the following statements is true?
A. The graph that models this situation has an Euler circuit. B. The graph that models this situation has an Euler path starting on the South Bank and ending on the North Bank. C. No edge in the graph that models this situation is actually a bridge. D. All of these are true. E. None of these are true.
Find the zeros for the function in the graph.
A. {9} B. {0, -9} C. {0} D. {0, 9}