1. An electronics firm produces 300 units of a particular MP3 player every hour of every day. Each unit costs the manufacturer $60 to produce, and retailers immediately purchase all the produced units. What is the minimum wholesale price (amount the manufacturer receives) per unit that the manufacturer should charge to make an hourly profit of $19,500?

(A) $60
(B) $65
(C) $95
(D) $125
(E) $145

2. If x ≠ 0, what is the value for x in the equation 2x/(4 + 2x) = 6x/(8x + 6)?

(A) –3
(B) 1
(C) 2
(D) 3
(E) 6

3. Given the function g defined above, what is the value of g(-r) if r = -7?

(A) –28
(B) –14
(C) –7
(D) 7
(E) 28

4. In a survey of 200 students regarding pet ownership of cats and dogs, c students own at least one cat, d students own at least one dog, and b students own at least one dog and at least one cat. Write an expression that indicates how many students own neither a cat nor a dog.

(A) 200 − c − d − b
(B) 200 − c − d + b
(C) 200 + c + d − b
(D) 200 − c − d
(E) 200 − b

5. Luis, Maya, and Kira interviewed for jobs at companies X, Y, and Z, respectively. The probability that Luis will get a job offer from Company X is 30 percent; the probability that Maya will get a job offer from Company Y is 50 percent; and the probability that Kira will get a job offer from Company Z is 60 percent. The three companies have no connections to one another, so the job offers are mutually independent. What is the probability that Luis and Maya will get job offers, but not Kira?

(A) 6%
(B) 9%
(C) 20%
(D) 40%
(E) 120%