Find the foci of the hyperbola.y2 - 
= 1
A. (0, 
) and (0, -
)
B. (
, 0) and (-
, 0)
C. (
, 0) and (-
, 0)
D. (0, 
) and (0, -
)
Answer: A
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Determine if the graph of the function is concave up or concave down.y = x2 - 4x + 4
A. Concave down B. Concave up
Solve the problem. Round rates to the nearest tenth of a percent and dollar amounts to the nearest cent.A local dealer sells baseballs for $25 each. If $6.90 is the cost, what is the percent of markup on the cost?
A. 27.6% B. 2.6% C. 72.4% D. 262.3%
The graduates at a southern university are shown in the table. 
A student is selected at random from the graduating class.Find the probability that the student is female, given that an education degree is not received, P(F|E').
A. P(F|E') = 
B. P(F|E') = 
C. P(F|E') = 
D. P(F|E') = 
Subtract.2 - 2
A. -2 B. 4 C. 2 D. 0