Solve.Find the discount rate when the original price is $158.00 and the amount of the discount is $61.60.
A. 2%
B. 1%
C. 39%
D. 80%
Answer: C
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Solve the system by graphing.6x + y = 336x + y = 39
A. (29, -141) B. (24, 9) C. Infinite number of solutions D. No solution
Solve the problem.Given the acceleration, initial velocity, and initial position of a body moving along a coordinate line at time t, find the body's position at time t.a = 10 cos 2t, v(0) = -9, s(0) = 13
A. s = 
cos 2t + 9t + 13
B. s = - 
sin 2t - 9t + 13
C. s = - 
cos 2t - 9t + 13
D. s = 
sin 2t - 9t + 13
Solve the problem.Find an equation of the line containing the centers of the two circles x2 + y2 + 10x + 8y + 40 = 0
and x2 + y2 + 4x - 2y + 1 = 0
A. -5x + 3y - 13 = 0 B. 5x + 3y - 13 = 0 C. -3x + 7y - 13 = 0 D. -5x - 3y - 13 = 0
Solve the problem.In any weighted voting system having N players, what is the minimum number of winning coalitions possible?
A. N - 1 B. 0 C. N D. 1 E. none of these