Write the linear system as a matrix equation in the form AX = B, where A is the coefficient matrix and B is the constant matrix. 2x + 3z= 17 2y + 7z = 21 2x + 5y + 5z = 54
A. 
= 
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= 
C. 
= 
D. 
= 
Answer: D
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For the given data value, find the standard score and the percentile.A data value 0.6 standard deviations above the mean.
A. z = 0.06; percentile = 51.99 B. z = -0.6; percentile = 27.43 C. z = 0.6; percentile = 72.57 D. z = 0.6; percentile = 2.5
Use the function for which the graph is shown below to sketch the graph of the indicated function.
f(x + 2)
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B. 
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D. 
Choose the line that most closely resembles the graph of the given equation.y = -1
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B. 
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D. 
Solve the problem.The value of a particular investment follows a pattern of exponential growth. In the year 2000, you invested money in a money market account. The value of your investment t years after 2000 is given by the exponential growth model A = 6,800e0.061t. How much did you initially invest in the account?
A. $7,227.71 B. $3,400.00 C. $414.80 D. $6,800.00