To win the World Series, a baseball team must win 4 games out of a maximum of 7 games. To solve the problem, list the possible arrangements of losses and wins.How many ways are there of winning the World Series in exactly 6 games if the winning team wins the first game?
A. 3 ways
B. 4 ways
C. 6 ways
D. 5 ways
Answer: C
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Which of the following is equivalent to the following statement: 5n + 12 = 60 ??
A. ?n = 48 B. ?5n = 50 C. ?Twelve more than five times a number is sixty. D. ?five times a number increased by 12. E. ?Five more than a number times 12 is 60.
Evaluate the double integral over the given region.
R: 0 ? x ? 
, 0 ? y ? ?
A. ?
B. 
C. 
D. 
Solve the problem by guessing and adjusting.Corinne is making a beaded necklace. She has 3 times as many green beads as red beads, and twice as many blue beads as green beads. If she has 150 beads all together, how many of the beads are blue?
A. 45 B. 75 C. 30 D. 90
Find an explicit rule for the nth term of the sequence.9, 36, 144, 576, ...
A. an = 9 ? 4n-1 B. an = 4 ? 9n-1 C. an = 9 ? 4n D. an = 9 ? 4n+1