The manager of an electronics store maintains an inventory of IBM-compatible computers and Macintosh computers in the quantities given in the table below. There is room in the store to stock at most 62 computers. The manager receives commissions on the sale of each computer in the amounts given in the table. If the manager can sell all of the computers, how many of each should she stock to maximize her commissions?
InventoryIBMMacintoshMinimum1831Maximum3150Commission$50$40?
A. no IBM computers and 62 Macintosh computers: $1,922
B. 31 IBM computers and 50 Macintosh computers: $3,550
C. 31 IBM computers and 31 Macintosh computers: $2,790
D. none of these
Answer: C
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A small country consists of four states. The population of State A is 67,200, the population of State B is 78,300, the population of State C is 73,800, and the population of State D is 80,700. The total number of seats in the legislature is 100.Under Hamilton's method, the apportionments to each state are
A. State A: 22 seats; State B: 26 seats; State C: 24 seats; State D: 26 seats. B. State A: 22 seats; State B: 26 seats; State C: 25 seats; State D: 27 seats. C. State A: 22 seats; State B: 26 seats; State C: 24 seats; State D: 28 seats. D. State A: 23 seats; State B: 26 seats; State C: 24 seats; State D: 27 seats. E. none of these
Use a commutative property to complete the statement. Do not simplify.-5 ? b = 
A. 5 ? -b B. b - (-5) C. b ? (-5) D. b + 5
Simplify. Assume that each variable is nonnegative.
A. 
B. 
C. 13
D. 
Use properties of logarithms to expand the logarithmic expression as much as possible. Where possible, evaluate logarithmic expressions without using a calculator.log6 
A. 
log6 x - 
log6 y + 
B. 
log6 x + 
log6 y - 
C. 
(log6 x5y - log6 36)
D. 
(log6 x5 + log6 y - 2)