Decide whether vertex A of the network is even or odd.
A. Odd
B. Even
Answer: A
Mathematics
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Solve.The circle graph shows the fraction of books read by grades one through five. What fraction of books was read by the first and fourth grades combined?
A. 
B. 
C. 
D. 
Mathematics
Subtract the polynomials.(-18x - 14) - (-20x - 10)
A. -38x - 24 B. 2x - 4 C. 2x - 24 D. -2x
Mathematics
Solve the problem.It is necessary to have a 40% antifreeze solution in the radiator of a certain car. The radiator now has 40 liters of 20% solution. How many liters of this should be drained and replaced with 100% antifreeze to get the desired strength?
A. 10 L B. 20 L C. 13.3 L D. 16 L
Mathematics
Perform the indicated operation. Simplify if possible.
- 
A. 
B. 0
C. 8y
D. 
Mathematics