Perform the indicated operation, if possible.
- 
A. 
B. 
C. 
D. 
Answer: B
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Solve and check.-15d = 0
A. d = 15 B. No solution C. d = -15 D. d = 0
For the pair of functions, find the indicated domain.f(x) = 
, g(x) = 2x + 6Find the domain of f ? g.
A. (-?, -3] ? [0, ?) B. [-3, ?) C. [0, ?) D. (-?, ?)
Solve the problem.A bag of marbles has twice as many blue marbles as green marbles, and the bag has at least 15 marbles in it. At least how many green marbles does it have?
A. At least 8 green marbles B. At least 10 green marbles C. At least 6 green marbles D. At least 5 green marbles
Solve the problem.A newspaper carrier has $5.80 in change. He has two more quarters than dimes but three times as many nickels as quarters. How many coins of each type does he have?
A. 14 quarters, 12 dimes, 42 nickels B. 36 quarters, 34 dimes, 12 nickels C. 12 quarters, 14 dimes, 36 nickels D. 12 quarters, 10 dimes, 36 nickels