Find the expected value.A fair coin is tossed three times, and a player wins $3 if 3 tails occur, wins $2 if 2 tails occur and loses $3 if no tails occur. If one tail occurs, no one wins. What is the expected value of the games?
A. $0.75
B. $2.00
C. -$3.00
D. $3.00
Answer: A
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Convert 80 ounces to pounds.
A. 20 B. 30 C. 5 D. 10 E. 60
Provide an appropriate response.Shortly before an election, a market research firm took a poll to find out whether people were planning to vote for or against a particular ballot measure. The results are shown below. 
The ballot measure will pass if a simple majority (more than 50%) vote in favor of the measure. You wish to construct a graph to represent the data. It should be easy to see from your graph whether more than 50% of the people are planning to vote in favor of the measure. Which graph would be more useful, a bar graph or a pie chart? Explain your thinking.
What will be an ideal response?
Sketch the graphs of the functions f and g and find the area of the region enclosed by these graphs and the vertical lines 
and 
.
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A. ?
sq units.
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B. ?
sq units.
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C. ?
sq units.
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D. ?
sq units.
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Solve the system of equations numerically (table of values).y = x + 3y = 
x 
A. (-6, 3) B. (6, 9) C. (9, 6) D. (0, 0)