(4x-3y-3z2)(9x-2y-1z-1) =
a. 36x5y4z-1
b. 36x-5y-4z
c. 36x-5y-4x-1
d. 36x6y3z-2
e. 36x-1y-4z
b. 36x-5y-4z
Mathematics
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Find a quadratic function that best fits the data. Give answers to the nearest hundredth.
A. y = 0.21 - 1.28x + 6.44 B. y = 0.20x2 + 0.33x + 3.52 C. y = -0.13x2 - 0.67x + 6.86 D. y = 0.20x2 - 0.33x + 3.52
Mathematics
Sketch the graphs of the given functions on the same axes.
?
and 
?
A. ?
?
B. ?
C. ?
Mathematics
Find the vertex of the parabola.h(x) = 
x2 - 4x - 
A. 
B. 
C. 
D. 
Mathematics
Find the reciprocal.
A. 
B. 13
C. 
D. 
Mathematics