Combine like terms.-3.73x + (-0.87x)
A. 2.86x
B. -4.6x
C. 4.6x
D. -2.86x
Answer: B
Mathematics
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Find the focus and directrix of the parabola.x2 + 12y = 0
A. F: (-3, 0); D: y = 3 B. F: (0, -3); D: y = 3 C. F: (0, -3); D: y = -3 D. F: (0, -3); D: x = 3
Mathematics
Given that the polynomial function has the given zero, find the other zeros.f(x) = x4 - 4x3 + 2x2 - 4x + 1; i
A. -i, 2 + 
, 2 - 
B. -i, 2 + 2
, 2 - 2
C. -i, -2 + 
, -2 - 
D. -i, 1 + 
, 1 - 
Mathematics
Find the reciprocal, if it exists.-9
A. 
B. - 
C. 0
D. 9
Mathematics
Combine like terms.3x + 3y - 8 + 7x
A. 5xy B. 10x - 5y C. 10x + 3y - 8 D. 10x + 3y
Mathematics