Multiply using the FOIL method.(b - 4)(b + 1)
A. b2 - 3b - 4
B. 2b2 + 4
C. b2 + 3b + 4
D. 2b - 4
Answer: A
Mathematics
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Solve.
= 
A. 4
B. 
C. 
D. 17
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Given 
, find ?f / ?y
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Mathematics
Write an equation for the parabola.vertex (9, -9), focus (9, -4)
A. 20(y + 9) = (x - 9)2 B. y + 9 = 20(x + 9)2 C. x + 9 = 20(y + 9)2 D. 20(y - 9) = (x + 9)2
Mathematics
Write the complex conjugate of z in polar form with argument ? between 0 and 2?.  figure 1.png)
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Mathematics