Simplify the expression.
A. 
B. a - 2b + 1
C. 
D. a - b
Answer: D
Mathematics
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Factor completely, or state that the polynomial is prime.18x3 - 33x2 + 9x
A. 3(3x2 - 1)(2x - 3) B. x(3x - 1)(6x - 9) C. 3x(3x - 1)(2x - 3) D. x(9x - 3)(2x - 3)
Mathematics
Write each equation in standard form and identify a, b, and c. 5x2 + 12x - 15 = 0
A. a = 5, b = -12, c = -15 B. a = 5, b = 12, c = 15 C. a = 5, b = -12, c = 15 D. a = 5, b = 12, c = -15
Mathematics
Sketch the graph of the pair of functions. Use a dashed line for g(x).f(x) = 
, g(x) = 
+ 4
A. 
B. 
C. 
D. 
Mathematics
Use the information given about the angle ?, 0 ? ? ? 2?, to find the exact value of the indicated trigonometric function.cot ? = -3, sec ? > 0Find cos 
.
A. 
B. - 
C. - 
D. 
Mathematics