Use the binomial theorem to expand the expression.(a - b)6
A. a6 - 6a5b - 15a4b2 - 20a3b3 - 15a2b4 - 6ab5 - b6
B. a6 + 6a5b + 15a4b2 + 20a3b3 + 15a2b4 + 6ab5 + b6
C. a6 - 6a5b + 15a4b2 - 20a3b3 + 15a2b4 - 6ab5 + b6
D. -a6 + 6a5b - 15a4b2 + 20a3b3 - 15a2b4 + 6ab5 - b6
Answer: C
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Solve the problem.A 20-kg mass is attached to a spring that hangs vertically and is stretched 3 m from the equilibrium position of the spring. Assume a linear spring with F(x) = kx. How much work is required to stretch the spring and lower the mass 1 m? Round to four decimal places when appropriate.
A. 16.3333 J B. 424.6667 J C. 228.6667 J D. 212.3333 J
For an election with candidates (A, B, C, D, and E), we have the following preference schedule:
Which candidate has the most second place votes?
A. A B. B C. C D. D E. E
Find the general form of the equation for the line with the given properties.Slope = 
; containing (0, 2)
A. -5x + 6y = 12 B. -5x - 6y = 12 C. 6x - 5y = -12 D. -5x + 6y = -12
Evaluate.-24
A. -16 B. 16 C. 8 D. -8