Solve the problem.The motion of a spring-mass system is described by the equation 
where y is the distance in feet from the equilibrium position and t is time in seconds. If the weight is 18 feet from the ceiling in a state of equilibrium, find the starting position of the weight 
A. 13 ft
B. 5 ft
C. 18 ft
D. 36 ft
Answer: B
Mathematics
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Find the flux of the curl of field F through the shell S.F = exi + eyj + 2xyk; S is the portion of the paraboloid 1 - x2 - y2 = z that lies above the 
A. -2? B. 2 C. 0 D. -2
Mathematics
A computer password is made up of five characters. Each character can be a capital letter (A through Z) or a digit (0 through 9).How many passwords do not start with the digit 0?
A. 364 B. 365 - 1 C. 355 D. 35 × 364 E. none of these
Mathematics
Solve the system of equations.x2 - 3y2 = 14x2 + 3y2 = 19
A. (-1, 2) and (1, -2) B. (2, 1), (2, -1), (-2, 1), (-2, -1) C. (1, 2), (-1, 2), (1, -2), (-1, -2) D. (2, 1) and (-2, -1)
Mathematics
Find the slope of the line and sketch the graph.2x + 5y = 24
A. m = - 
B. m = 
C. m = - 
D. m = 
Mathematics