Multiply or divide as indicated. Write the answer in lowest terms.
÷ 
A. 
B. 
C. 
D. z + 7
Answer: C
Mathematics
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Use the summation properties to evaluate the series. The following rules may be needed: 
.
A. 112 B. 441 C. 1764 D. 462
Mathematics
Factor completely.6x3 - 15x2y + 4xy - 10y2
A. (6x2 + 2y)(x - 5y) B. (3x2 + 2)(2x - 5) C. (3x2 - 2y)(2x - 5y) D. (3x2 + 2y)(2x - 5y)
Mathematics
Find the value of the expression using the given values.yx?x = -1, y = 6
A. -6
B. - 
C. 
D. 6
Mathematics
Find the vertices and foci of the given ellipse.7y2 = 77 - 11x2
A. Vertices: (0, 
) and (0, -
);
Foci: (0, 2) and (0, -2)
B. Vertices: (
, 0) and (-
, 0);
Foci: (2, 0) and (-2, 0)
C. Vertices: (
, 0) and (-
, 0);
Foci: (7, 0) and (-7, 0)
D. Vertices: (0, 7) and (0, -7);
Foci: (0, 2) and (0, -2)
Mathematics