Solve the problem.The following table shows the number of dog collars, in thousands, produced by Allied Pet Products in the three years considered. For a function of the form f(x) = ax2 + bx + c that fits this data, what is the value of c? 
A. 14
B. 20
C. 12.8
D. 23.6
Answer: B
Mathematics
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Solve the problem. Round your answer to the nearest tenth unless indicated otherwise.In Satoru's hometown, the highest temperature ever recorded is 115°F. Convert this temperature to Celsius. Round to the nearest tenth of a degree.
A. 46.1° C B. 31.9° C C. 239.0° C D. 81.7° C
Mathematics
Graph the polar equation.r = 
A. 
B. 
C. 
D. 
Mathematics
Find the reference angle of the given angle.-57°
A. 123° B. 33° C. 57° D. 147°
Mathematics
Multiply.(x2 + 4y)(x2 - 4y)
A. x4 - 8x2y - 16y2 B. x4 + 8x2y - 16y2 C. x4 - 8y2 D. x4 - 16y2
Mathematics