Find the amplitude, period, or phase shift of the given function as requested.Find the period of y = -2 sin
.
A. 4
B. 2
C. 
D. ?
Answer: C
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Which type of average is not the best choice for the following data? Data Values Frequency 22 1 23 3 24 2 32 2 33 3 34 1 ?
A. ?The mean; Split data will change the total sum of data values. B. ?The median; Split data in the middle will give a median value which is unlike the values around it. C. ?The mode; Split data in the middle will give a mode value which is unlike the values around it. D. ?Both the mean and the mode; Split data will give different a different mean and a different mode. E. ?None of the above.
Solve the systems of equations by the addition method. 
A. {(0, -1)} B. {(0, 0)} C. no solution; ? D. {(3, -4)}
Answer the question.The length of a rectangle is three inches more than the width. The area of the rectangle is 130 inches. If the width is x, what is the length in terms of x?
A. x - 3 B. 3x C. 3 - x D. x + 3
A random sample of 600 students revealed that 22% were from out of state. Find the error bounds at the 95% confidence level.
What will be an ideal response?