Factor completely. If the polynomial is prime, so state.72x2 + 42xy + 6y2
A. (18x + 6y)(4x + y)
B. 6(3x + y)(4x + y)
C. 6(3x - y)(4x - y)
D. prime
Answer: B
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Solve the given trigonometric equation analytically (using identities when necessary for exact values when possible) for values of x for 0 ? x < 2?.cos x = sin x
A. 
, 
B. 
, 
C. 
, 
D. 
, 
Simplify the algebraic expression.4(3x - 4) - 8(x - 3)
A. 4x + 8 B. 4x - 40 C. -20x + 8 D. 4x - 7
Factor completely, if possible.y3 + 6y2 + 9y
A. y(y + 3)2 B. (y2 + 9)(y + 1) C. y(y + 9)(y + 1) D. y(y + 3)(y - 3)
The general term of a sequence is given. Determine whether the given sequence is arithmetic, geometric, or neither. If the sequence is arithmetic, find the common difference; if it is geometric, find the common ratio.an = 3n2 - 2
A. arithmetic, d = 3 B. arithmetic, d = -2 C. geometric, r = 3 D. neither