Factor completely. If the polynomial is prime, so state.8x2 + 6xy - 9y2
A. (2x - 3y)(4x + 3y)
B. (8x + 3y)(x - 3y)
C. (2x + 3y)(4x - 3y)
D. prime
Answer: C
Mathematics
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Find the indicated set given A = {-3, 0, 2, 5, 6, 11, 16, 23}, B = {-3, 0, 16, 23}, and 
B ? C
A. {11, 16, 23} B. {16, 23} C. {-7, -4, -3, 0, 11, 16, 23} D. {-4, 16, 23}
Mathematics
Solve the problem.A bag contains 8 red marbles, 5 blue marbles, and 2 green marbles. If one marble is selected at random, determine the probability that it is blue.
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.Use the trigonometric identity tan 2x = 
to find Dxtan 2x.
A. 2 sec2x(1 - tan2x) B. 2 sec2x(1 + tan2x) C. 2 sec2x tan2x D. 2 tan2x + tan3x
Mathematics
Evaluate.
(–3)^–4
Mathematics