Factor the expression.
?
?
A. 
B. 
C. 
D. 
E. 
Answer: A
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Solve.0.4x3 - 1.6x2 - 3.2x + 3.2 ? 0
(Round to three decimal places when necessary.)
A. [0.764, 5.236] B. [-2, 5.236] C. (-?, -2] ? [0.764, 5.236] D. [-2, 0.764] ? [5.236, ?)
Solve the problem.The force acting on a pendulum to bring it to its perpendicular resting point is called the restoring force. The restoring force F, in Newtons, acting on a string pendulum is given by the formula F = mg sin?where m is the mass in kilograms of the pendulum's bob, g ? 9.8 meters per second per second is the acceleration due to gravity, and ? is angle at which the pendulum is displaced from the perpendicular. What is the value of the restoring force when m = 0.7 kilogram and ? = 45°? If necessary, round the answer to the nearest tenth of a Newton.
A. 4.9 N B. 4.7 N C. 5.8 N D. 4.8 N
Is the algebraic expression a polynomial? If it is, write the polynomial in standard form.
A. No
B. Yes; 
- 2
Factor.7 - 6t12 - t24
A. (t12 - 1)(t12 + 7) B. (1 - t12)(7 - t12) or -1(t12 - 1)(t12 - 7) C. (t12 - 1)(t12 - 7) D. (1 - t12)(7 + t12) or -1(t12 - 1)(t12 + 7)