Write the set in set-builder notation.{a, b, c, . . . , x, y, z}
A. {x|x is a vowel}
B. {x|x is a letter of the alphabet}
C. {x|x is a consonant}
D. {x|x is a number}
Answer: B
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Solve the problem. Round rates to the nearest tenth of a percent and dollar amounts to the nearest dollar when necessary.An office supply store sells a computer disk for $87.95. If the cost is $60.67, find the percent of markup on cost and the equivalent percent of markup on selling price.
A. 69%, 145% B. 45%, 69% C. 45%, 31% D. 69%, 31%
Write as the sum and/or difference of logarithms. Express powers as factors. log14
A. log1419 ÷ log1417 B. log1419 - log1417 C. log1417 - log1419 D. log1419 + log1419
Graph the hyperbola.y2 - x2 - 8y + 12x - 36 = 0 
A. 
B. 
C. 
D. 
Multiply as indicated. If possible, simplify any square roots that appear in the product.(6
+ 
)(6
- 
)
A. 12x - 7y
B. 12
C. 72x + 12
+ 7y
D. 72x - 7y