Find the probability.A lottery game has balls numbered 0 through 9. What is the probability of selecting an even numbered ball or a 5?
A. 
B. 
C. 5
D. 2
Answer: A
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Solve the problem.The table lists the average composite scores on a national entrance exam for selected years.
(i) Make a line graph of the data.(ii) If the graph represents a piecewise-linear function f, find a symbolic representation for the piece of f located on the interval 
A. 
f(x) = 0.75x - 1356.5 if 1982 ? x ? 1986
B. 
f(x) = 4.4x - 8598.1 if 1986 ? x ? 1988
C. 
f(x) = 122.7 if 1986 ? x ? 1988
D. 
f(x) = 131.5 if 1982 ? x ? 1984
a) Determine whether the equation defines y as a linear function of x, and b) if so, write it in the form y = mx + b. ? x = 5y- 20 ? a) Answer yes or no. __________ ? b) If yes, then __________
What will be an ideal response?
Add or subtract as indicated. Express the answer as a single polynomial in standard form.(-13x4 + 16x3) - (10x4 + 13x3)
A. -20x7 B. -23x4 + 3x3 C. -3x4 + 29x3 D. -23x4 + 29x3
Does the network in the picture below have a Hamiltonian cycle? If the network has one, describe it.
?
What will be an ideal response?