Use factoring techniques to solve the polynomial equation.x3 - x = -5x2 + 5
A. {25}
B. {1, - 5, 5}
C. {- 5, 5}
D. {-1, 1, - 5}
Answer: D
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Perform the indicated operation without the use of a calculator and express each answer in decimal notation.
A. 29,400,000,000,000 B. 600,000 C. 29,400,000 D. 600,000,000,000
Solve the problem.The wind is blowing at 10 knots. Sailboat racers look for a sailing angle to the 10-knot wind that produces maximum sailing speed. This situation is now represented by the polar graph in the figure shown below. Each point (r, ?) on the graph gives the sailing speed, r, in knots, at an angle ? to the 10-knot wind. What angle to the wind produces the maximum sailing speed? What is the speed to the nearest knot, of the sailboat sailing at 150° angle to the wind? 
A. 150°; 6 knots B. 120°; 6 knots C. 150°; 8 knots D. 120°; 8 knots
Answer the question or solve the problem.If a ? b, is it always true that -2a ? -2b? Explain.
What will be an ideal response?
Solve the problem.An isosceles triangle has at least two sides of equal length. Determine whether the triangle with vertices 
and 
is isosceles.
A. Yes B. No