Simplify.
A. 
B. 
C. 
D. none of these
Answer: C
Mathematics
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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
Mathematics
If a planar drawing of a graph has 6 vertices and 10 faces, how many edges does the graph have?
a. 20 b. 16 c. 34 d. 14
Mathematics
Use finger multiplication to do the calculations.
?
Fill in the blank(s) with the appropriate word(s).
Mathematics
Write true or false for the statement.10 centimeters = 1 decimeter
A. True B. False
Mathematics