Find the vertices and foci of the ellipse. Graph the ellipse.4x2 + 36y2 = 144
A. Foci at (0, -6) and (0, 6)
Vertices at (0, -36), (0, 36)
B. Foci at (-6, 0) and (6, 0)
Vertices at (-36, 0), (36, 0)
C. Foci at (- 4
, 0) and (4
, 0)
Vertices at (-6, 0), (6, 0)
D. Foci at (0, - 4
) and (0, 4
)
Vertices at (0, -6), (0, 6)
Answer: C
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Identify the pairs of complementary or supplementary angles, as indicated.Supplementary
A. ?AOD & ?COB; ?AOC & ?DOB B. ?AOC & ?AOD; ?AOD & ?DOB; ?DOB & ?COB; ?COB & ?AOC C. ?AOC & ?AOD; ?AOD & ?DOB D. ?COB & ?BOD; ?BOD & ?AOD
Write the polar equation in terms of x and y.r = 5 sin ?
A. x2 + y2 = 25
B. x2 + y2 = 5y
C. y = 5
D. y = 
Simplify the expression.
A. 
B. 
C. a - 6
D. a + 6
Approximate with a scientific calculator. If necessary, round to four decimal places.antiloge (2.3889)
A. 244.8499 B. 0.8708 C. 0.3782 D. 10.9015