Find the common difference for the arithmetic sequence.x - 11y, 2x - 9y, 3x - 7y, ...
A. x - 2y
B. -x + 2y
C. x + 2y
D. -x - 2y
Answer: C
Mathematics
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Identify the graph of the equation as a parabola, circle, ellipse, or hyperbola.5x2 = 36 - 5y2
A. Ellipse B. Parabola C. Hyperbola D. Circle
Mathematics
Match the equation to the correct graph.y = -(x + 5)2 + 7
A. 
B. 
C. 
D. 
Mathematics
Solve the triangle.a = 11, b = 11, c = 9
A. A = 48.2°, B = 65.9°, C = 65.9° B. A = 65.9°, B = 48.2°, C = 65.9° C. A = 65.9°, B = 65.9°, C = 48.2° D. A = 66.9°, B = 66.9°, C = 46.2°
Mathematics
Classify the polynomial as a perfect square trinomial, a difference of squares, or neither.36n2 - 64m2
A. Neither B. Difference of squares C. Perfect square trinomial
Mathematics