Solve the problem.The diagram shows the roads connecting four cities. WX
YZHow many ways are there to travel between cities W and Z by passing through exactly one city? (Hint: Write a matrix, A, to represent the number of routes between each pair of cities without passing through another city. Then calculate A2).
A. 5
B. 3
C. 4
D. 1
Answer: C
Mathematics
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Use properties of exponents to simplify the expression. Express answer in exponential form.
A. 580 B. 5-2 C. 518 D. 52
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Divide.
A. 0.9 B. 19 C. 1.9 D. 9
Mathematics
Simplify the radical expression. Assume all variables represent positive real numbers.(2
+ 6)2
A. 80 + 24
B. 80 - 24
C. 50 + 24
D. 8 + 24
Mathematics
Perform the division. Write the answer with positive exponents.
A. 3x + 4
B. 3x + 4 + 
C. 11x + 4
D. 3x + 12x6 + 
Mathematics