Solve the problem.The following table shows the number of dog collars, in thousands, produced by Allied Pet Products in the 3 years considered. 
Fit a quadratic function f(x) = ax2 + bx + c to the data. What is the value of b?
A. -1.2
B. -1.6
C. 2.3
D. 1.9
Answer: B
Mathematics
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Translate the phrase into a subtraction problem. Then find the difference.the difference of -30 and -15.
A. -45 B. -15 C. 45 D. 15
Mathematics
Simplify the expression. Assume that all variables are positive when they appear.
A. 
B. 
C. 1
D. 
Mathematics
Solve the equation.log2(3x - 2) - log2(x - 5) = 4
A. 
B. {6}
C. {18}
D. 
Mathematics
Subtract.
A. 36 B. 22 C. 26 D. 138
Mathematics