Factor completely. If the polynomial cannot be factored, say it is prime.12x2 - 16xy - 15xy + 20y2
A. (12x - 5y)(x - 4y)
B. (4x - 5)(3x - 4)
C. (4x - 5y)(3x - 4y)
D. (4x + 5y)(3x - 4y)
Answer: C
Mathematics
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Use a proportion to solve the problem.If a spring stretches 2 meters when a 2-kilogram weight is attached to it, how much will it stretch when a 14-kilogram weight is attached to it?
A. 16 m B. 13 m C. 17 m D. 14 m
Mathematics
Determine if the series converges or diverges; if the series converges, find its sum.
A. Converges; 
B. Converges; 
C. Converges; 
D. Diverges
Mathematics
Solve by completing the square.x2 = 7 - 4x
A. -2 ± 2
B. 2 + 
C. -1 ± 
D. -2 ± 
Mathematics
Solve.5x - y - 8z = 15-7x + 8y + 3z = 229x - 2y + z = 56
A. (-8, 9, 16) B. (8, 9, 2) C. (8, 2, 9) D. No solution
Mathematics