Find an equation for the line with the given properties.Vertical line; containing the point (-9, 3)
A. y = -9
B. x = 3
C. x = -9
D. y = 3
Answer: C
Mathematics
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Add or subtract measurement numbers, rounding to the correct precision.16.37 sec - 4.15 sec
A. 12.3 sec B. 12.1 sec C. 12.2 sec D. 12 sec
Mathematics
Classify the surface.
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Solve the problem.The function F described by F(C) = 
C + 32 gives the Fahrenheit temperature corresponding to the Celsius temperature C. Find and interpret F(-20).
A. -4°F; A temperature of -20°C is equivalent to -4°F. B. -112°F; A temperature of -20°C is equivalent to -112°F. C. -40°F; A temperature of -20°C is equivalent to -40°F. D. -4°F; A temperature of -4°C is equivalent to -20°F.
Mathematics
Find k such that the function is a probability density function over the given interval.f(x) = kx2(4 - x)2, 0 ? x ? 4
A. 
B. 
C. 
D. 
Mathematics