Factor completely.20x2 - 23xy + 6y2
A. prime
B. (4x + 3y)(5x + 2y)
C. (4x - 3y)(5x - 2y)
D. (20x + 3y)(x + 2y)
Answer: C
Mathematics
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Solve the problem.Find the center of mass of the lamina bounded by the coordinate axes and the line 
if 
.
A. 
= 
, 
= 
B. 
= 
, 
= 
C. 
= 
, 
= 
D. 
= 
, 
= 
Mathematics
Find first four terms of the indicated expansion by use of the binomial series.(1 + x)9
A. 1 + 9x - 36x2 + 84x3 - . . . B. 1 - 9x + 36x2 - 84x3 + . . . C. 1 + 9x + 36x2 + 84x3 + . . . D. 1 + 9x + 36x2 + 168x3 + . . .
Mathematics
Complete.8 qt = 
gal
A. 4 B. 8 C. 16 D. 2
Mathematics
Find the root form of the polynomial function f whose real roots and y-intercept are given on the graph.
A. f(x) = 
(x + 1)(x + 4)(x + 3)
B. f(x) = 
(x - 1)(x - 4)(x + 3)
C. f(x) = 
(x + 1)(x + 4)(x - 3)
D. f(x) = 
(x + 1)(x + 4)(x - 3)
Mathematics