Solve the problem.Use a tree diagram showing all possible results when four fair coins are tossed to list the ways of getting more than two tails.
A. httt, thtt, ttht, ttth, tttt
B. hhtt, htht, htth, thht, thth, tthh
C. hhtt, htht, htth, httt, thht, thth, thtt, tthh, ttht, ttth, tttt
D. httt, thtt, ttht, ttth
Answer: A
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Translate the problem to a system of equations, then solve using Cramer's Rule.During the 2001-2002 Little League season, the Tigers played 52 games. They won 12 more games than they lost. How many games did they win that season?
A. 32 games B. 29 games C. 34 games D. 20 games
Perform the indicated operation and simplify.
+ 
A. 
B. 
C. 
D. 
Use the Venn diagram shown to list the set in roster form.
(A ? B)'
A. {1, 2, 5, 8, 10} B. {1, 2, 3, 5, 6, 9, 10} C. {11} D. {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14}
Use rational equations to solve the problems.Jeff takes 5 hr longer to build a fence than it takes Bill. When they work together, it takes them 6 hours. How long would it take Bill to do the job alone?
A. 9 hours B. 11 hours C. 10 hours D. 12 hours