Evaluate the determinant.
A. -174
B. 168
C. 162
D. -168
Answer: D
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Convert as indicated. If necessary, round to the nearest tenth of a degree.91°F to degrees Celsius
A. 32.8°C B. 106.2°C C. 82.6°C D. 195.8°C
Solve the equation for solutions in the interval [0°, 360°).cos 2? = 
A. 3 B. ? = 30°, 90°, 150°, 270° C. ? = 0°, 120°, 180°, 240° D. ? = 105°, 165°, 285°, 345° E. ? = 15°, 165°, 195°, 345°
Find the location of the center, vertices, and foci for the hyperbola described by the equation.
- 
= 1
A. Center: (-1, 4); Vertices: (-8, 4) and (6, 4); Foci: 
and 
B. Center: (1, -4); Vertices: (-5, -4) and (9, -4); Foci: (2 + 
, -3) and (-3 + 
, -3)
C. Center: (1, -4); Vertices: (-6, 4) and (8, 4); Foci: (1 - 
, 4) and (1 + 
, 4)
D. Center: (1, -4); Vertices: (-6, -4) and (8, -4); Foci: 
and (
Perform the conversion.9.6 kg = ___ mg
A. 96 B. 9,600,000 C. 960,000 D. 9600