Graph the ellipse. Give the coordinates of the center, as well as the values of a and b.
+ 
= 1
A. center (5, 2), a = 1, b = 1
B. center (0, 0), a = 5, b = 2
C. center (0, 0), a = 2, b = 5
D. center (2, 5), a = 1, b = 1
Answer: B
Mathematics
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f(x) exist? 
A. No B. Yes
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Perform the operation and give the answer as a fraction in lowest terms.
A. - 
B. - 
C. - 
D. - 
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Subtract the polynomials.(-5x6 + 5x8 + 4 + 6x7) - (5 + 8x7 + 7x8 + 3x6)
A. -2x8 - 2x7 - 8x6 - 1 B. 12x8 + 14x7 - 2x6 - 1 C. 12x8 + 14x7 - 2x6 + 9 D. -2x8 + 14x7 - 2x6 + 9
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Solve the system by addition.0.15x + 0.03y = 0.125x + y = 4
A. 
B. 
C. 
D. ?
Mathematics