Evaluate the expression. Write your answer without negative exponents.4-1 - 2-1
A. 2-1
B. 
C. - 
D. 
Answer: C
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Find the transverse axis, vertices, and foci of the hyperbola.
- 
= 1
A. transverse axis is x-axis
vertices at (-10, 0) and (10, 0)
foci at (- 2
, 0) and (2
, 0)
B. transverse axis is x-axis
vertices at (-8, 0) and (8, 0)
foci at (-10, 0) and (10, 0)
C. transverse axis is y-axis
vertices at (0, -8) and (0, 8)
foci at (0, - 2
) and (0, 2
)
D. transverse axis is x-axis
vertices at (-8, 0) and (8, 0)
foci at (- 2
, 0) and (2
, 0)
Solve the problem.Measurements of the height of a group of men entering a particular college produced the following table. What is the probability that a man entering the college is 68-69 inches tall?
A. 18.60% B. 29.48% C. 24.51% D. 29.32%
Find the simple interest. Round your answer to the nearest cent.Principal = $1170Rate = 11%Time in months = 15
A. $160.88 B. $16,088.00 C. $1930.56 D. $8.58
Graph the function by first writing it in the form y = A sin(x + C). State the amplitude, period, and phase shift.y = -2
sin x - 2
cos x
A. Amplitude 2, period 2?,
phase shift 
B. Amplitude 4, period 2?,
phase shift 
C. Amplitude 4, period 2?,
phase shift - 
D. Amplitude 4, period 2?,
phase shift - 
