Provide an appropriate response.
Convert 45°C to °F.

A. 7.2°F
B. 42.8°F
C. 18°F
D. 113°F

Answer: D

Mathematics

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Graph.y2 - x2 - 4y + 12x - 57 = 0  

A.

B.

C.

D.

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Find the derivative of the function.y =  + 

A.  = -6 csc x cot x + sec2x
B.  = 6 csc x cot x - sec2x
C.   = 6 csc x cot x - csc2x
D.  = 6 cos x - csc2x

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Find an equation for the circle.Center at (4, -6), diameter of length 6.2

A. (x - 4)2 + (y - 6)2 = 3.1 B. (x - 4)2 + (y + 6)2 = 9.61 C. (x + 4)2 + (y - 6)2 = 9.61 D. (x + 4)2 - (y + 6)2 = 38.44

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Solve the problem.The second angle of a triangle is 3 times as large as the first. The third angle is 50° more than the first. Find the measure of the smallest angle.

A. 26° B. 130° C. 50° D. 40°

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