Find a rectangular equation for the plane curve defined by the parametric equations.x = sin t, y = 3 cos t
A. x2 + 9y2 = 9
B. 9x2 + y2 = 9
C. 9x2 + y2 = 1
D. x2 + 9y2 = 1
Answer: B
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Outliers pose a problem for which type of average: mean or mode? Explain why. ?
A. ?The mode; An outlier will shift the mode to a different value. B. The mode; An outlier will decrease the frequency of the already existing mode. C. The mean; An outlier will increase the sum of the data values, thus increasing the mean. D. ?The mean; An outlier will decrease the sum of the data values, thus increasing the mean. E. ?Neither; Outliers do not significantly affect either average.
Express the relationship between a small change in x and the corresponding change in y in the form 
.y = x
A. dy = 
dx
B. dy = 
dx
C. dy = 
dx
D. dy = 
dx
Assign as indicated using the Huntington-Hill method.A hospital administrator wishes to assign six emergency room medical teams to three outreach centers. The numbers of patients treated in an average week at the three centers are as follows:Center 1: 120 patientsCenter 2: 85 patientsCenter 3: 68 patientsHelp the administrator assign the medical teams to the three centers. Begin by giving each center one team.
A. Center 1: 2; Center 2: 2; Center 3: 2 B. Center 1: 1; Center 2: 2; Center 3: 3 C. Center 1: 3; Center 2: 2; Center 3: 1 D. Center 1: 2; Center 2: 3; Center 3: 1
Divide.5.89 ÷ (-10,000)
A. -0.0000589 B. -0.000589 C. -0.00589 D. -0.0589