Factor by grouping.12x3 - 9x2 + 20x - 15
A. (3x2 - 5)(4x + 3)
B. (12x - 5)(x2 + 3)
C. (12x + 5)(x2 - 3)
D. (3x2 + 5)(4x - 3)
Answer: D
Mathematics
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Solve the problem.The northern third of Indiana is a rectangle measuring 96 miles by 132 miles. Thus, let 
Assuming that the total annual snowfall (in inches), S(x,y), at 
is given by the function S(x,y) = 60e-0.001(2x + y) with (x,y) ? D, find the average snowfall on D.
A. 52.06 inches B. 52.44 inches C. 51.78 inches D. 51.14 inches
Mathematics
Find the solution.3x + 3 = x + 19
A. 32 B. 8 C. 11 D. 13
Mathematics
Collect like terms.-2x + 1.9y - 1.6x + 9y
A. -3.6x + 1.9y + 9 B. -3.6x + 10.9y C. 10.9x - 3.6y D. -2x - 1.6x + 1.9y + 9y
Mathematics
Find the LCD for the list of rational expressions.
, 
A. m(m - 1)(m - 5) B. (m - 1)2 C. m(m - 1)2 D. m(m - 6)(m - 5)
Mathematics