Express the rational number as a decimal.
A. 0.27
B. 0.
C. 0.
D. 0.2
Answer: B
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Simplify. Include the absolute value symbol if necessary. If the answer is not a real number, state so.
A. 9 B. not a real number C. 27 D. 81
Convert the angle to degrees, minutes, and seconds.-239.7°
A. -239°7'7'' B. -239°42' C. -239°21' D. -239°7'
Find the center, transverse axis, vertices, foci, and asymptotes of the hyperbola.
- 
= 1
A. center at (-4, -3)
transverse axis is parallel to x-axis
vertices at (-10, -3) and (2, -3)
foci at (-4 - 2
, -3) and (-4 + 2
, -3)
asymptotes of y + 3 = - 
(x + 4) and y + 3 = 
(x + 4)
B. center at (-4, -3)
transverse axis is parallel to y-axis
vertices at (-4, -7) and (-4, 1)
foci at (-4, -3 - 2
) and (-4, -3 + 2
)
asymptotes of y - 3 = - 
(x - 4) and y - 3 = 
(x - 4)
C. center at (-4, -3)
transverse axis is parallel to x-axis
vertices at (-8, -3) and (0, -3)
foci at (-4 - 2
, -3) and (-4 + 2
, -3)
asymptotes of y + 3 = - 
(x + 4) and y + 3 = 
(x + 4)
D. center at (-3, -4)
transverse axis is parallel to x-axis
vertices at (-7, -4) and (1, -4)
foci at (-3 - 2
, -4) and (-3 + 2
, -4)
asymptotes of y + 4 = - 
(x + 3) and y + 4 = 
(x + 3)
Perform the indicated operation.18 mg ÷ 4
A. 0.22 mg B. 4.5 mg C. 2.22 mg D. 45 mg