Solve the problem.The temperature recorded on a thermometer was 7°C. Find the corresponding temperature in degrees Fahrenheit. Use the formula 
A. -28.1°F
B. -19.4°F
C. 35.9°F
D. 44.6°F
Answer: D
Mathematics
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Find an equation of the line containing the given pair of points(-3, 10) and (2, -7)
A. y = 
x - 
B. y = 
x - 
C. y = - 
x - 
D. y = - 
x - 
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Solve the system by the addition method.
A. {(-1, -2)} B. {(-1, 2)} C. {(1, -2)} D. ?
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Find a basis for the null space of the matrix.A = 
A. 
B. 
C. 
D. 
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Evaluate without using a calculator by using ratios in a reference triangle.csc 240°
A. 2
B. -2
C. 
D. - 
Mathematics