Multiply. Write the answer as an improper fraction as needed.
× 
A. 
B. 
C. 
D. 
Answer: B
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Solve triangle ABC. If necessary, round the answer to the nearest tenth.a = 160, b = 185, c = 329
A. A = 18.9°, B = 16.3°, C = 144.8° B. A = 16.3°, B = 9.5°, C = 154.2° C. No triangle exists. D. A = 16.3°, B = 18.9°, C = 144.8°
Add.(5a5b3 + 9a3b2 + 12ab) + (2a5b3 + 6a3b + 4ab)
A. 7a5b3 + 15a3b2 + 16ab B. 7a5b3 + 15a3b + 16ab C. 7a5b3 + 9a3b2 + 6a3b + 16ab D. 15a6b3 + 7a5b3 + 16ab
Write the system
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as a matrix equation AX = B, where A is the coefficient matrix of the system, X is a column matrix of variables, and B is the column matrix of constants. Multiply each side of the equation on the left by the matrix inverse of A to obtain an equivalent system of equations and solve it.
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Please enter your answer as an ordered pair in the form (x, y).
What will be an ideal response?
Factor the perfect square.x2 + 8x + 16
A. (x + 4)2 B. (x + 4)(x - 4) C. (x + 8)(x - 8) D. (x - 4)2