Factor by grouping.15x2 - 12x + 10x - 8
A. (15x - 2)(x + 4)
B. (3x + 2)(5x - 4)
C. (3x - 2)(5x + 4)
D. (15x + 2)(x - 4)
Answer: B
Mathematics
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Find the opposite of the expression.3x2 + 9x - 6
A. -3x2 + 9x + 6 B. -3x2 - 9x + 6 C. 3x2 - 9x + 6 D. -3x2 - 9x - 6
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Solve the problem.Pennies are packaged 50 in a roll. A mother gave her son 191 pennies for his bank and had 9 pennies left over. How many rolls of pennies did she use?
A. 6 rolls B. 7 rolls C. 5 rolls D. 4 rolls
Mathematics
Represent the shaded area in the figure group with an improper fraction.
A. 
B. 
C. 
D. 
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Find an equation of the line having the given slope and containing the given point. m = 2, (-2, 2)
A. y = 2x - 4 B. y = 2x - 6 C. y = 2x + 6 D. y = 2x + 4
Mathematics