Find ? if ? is between 0° and 90°. Round your answer to the nearest tenth of a degree.
?
cot ?= 0.8536
?
A. ? = 49.4°
B. ? = 48.0°
C. ? = 49.5°
D. ? = 52.3°
E. ? = 50.6°
Answer: C
Mathematics
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A. {103.2°, 145.2°, 283.2°, 325.2°} B. {51.8°, 308.2°} C. {49.8°, 130.2°, 229.8°, 310.2°} D. {70.5°, 109.5°, 180°}
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Graph the function. Give the domain and range.f(x) = 
A. Domain: (-?, ?); Range: [1, ?)
B. Domain: (-?, ?); Range: [-1, ?)
C. Domain: (-?, ?); Range: [0, ?)
D. Domain: (-?, ?); Range: [0, ?)
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Use the square root property to solve the equation. (3x + 9)2 = 64
A. 
B. 
C. 
D. 
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Multiply.(x - 12)(x2 + 8x - 4)
A. x3 - 4x2 - 100x + 48 B. x3 + 20x2 + 100x + 48 C. x3 - 4x2 - 92x - 48 D. x3 + 20x2 + 92x - 48
Mathematics