Multiply.-5x(-2x + 10)
A. -2x2 - 50x
B. -40x2
C. 10x2 + 10x
D. 10x2 - 50x
Answer: D
Mathematics
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A. 
B. 
C. 
D. 
Mathematics
Determine whether the system is consistent.4x1 - x2 + 3x3 = 122x1 + 9x3 = -5x1 + 4x2 + 6x3 = -32
A. Yes B. No
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Find an exact value.sin
A.
B.
C.
D. 
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Find f(x) and g(x) such that h(x) = (f ? g)(x).h(x) = 
A. f(x) = 
, g(x) = -19x2 + 50
B. f(x) = 
, g(x) = 
C. f(x) = -19x2 + 50, g(x) = 
D. f(x) = 
, g(x) = x2
Mathematics