Simplify by combining like terms.-15y - 9x - 6x
A. -15x - 15y
B. -15x - 3y
C. -30xy
D. -3x- 15y
Answer: A
Mathematics
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A card is drawn randomly from a standard 52-card deck. Find the probability of the specified event. The card is the jack or queen of hearts.
A. 
B. 
C. 
D. 
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Use the integral test to determine whether the series converges.
A. diverges B. converges
Mathematics
Identify the curve represented by the equation.x(2x + 9y) = y(9x + 2)
A. Hyperbola B. Ellipse C. Parabola D. None of these
Mathematics
Find the derivative.x8 - 2x7 - 4x3 + x
A. 8x7 - 14x6 - 12x2 + 1 B. x7 - 2x6 - 4x2 + 1 C. 8x9 - 14x8 - 12x4 D. 8x8 - 14x7 - 12x3 + x
Mathematics