Add using columns.Add 1.4x3 + 7.3x2 + 4.6 and 6.2x - 2.5 and -3.6x2 + x + 9.9.
A. 12.3x6 + 12
B. 1.4x3 + 3.7x2 + 7.2x + 12
C. 1.4x3 + 10.9x2 + 5.2x - 7.8
D. 1.4x3 + 3.7x2 + 6.2x + 12
Answer: B
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Find the value of the indicated trigonometric function of the angle ? in the figure. Rationalize the denominator where necessary.
Find cos ?.
A. 
B. 
C. 
D. 
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A. 1105.3 in2 B. 1036.7 in2 C. 948.3 in2 D. 1041.8 in2
Factor completely. If the polynomial cannot be factored, say it is prime.20x6 + 3x3 - 9
A. 20(x3 - 3)(x3 + 3) B. (5x3 + 3)(4x3 - 3) C. (4x3 + 1)(5x3 - 9) D. (4x3 + 3)(5x3 - 3)