Solve the problem.The length of the diagonal of a rectangle is given by 
where L and W are the length and width of the rectangle. What is the length of the diagonal, D, of a rectangle that is 89 inches long and 17 inches wide? Round your answer to the nearest tenth of an inch, if necessary.
A. 10.3 in.
B. 38.9 in.
C. 90.6 in.
D. 87.4 in.
Answer: C
Mathematics
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Find the derivative of y with respect to the independent variable.y =log6
A. 
B. 
C. 
D. 
ln 6
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The line graph shows the recorded hourly temperatures in degrees Fahrenheit at an airport. 
What temperature was recorded at 1 p.m.?
A. 77 ° F B. 79 ° F C. 80 ° F D. 81 ° F
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Solve the system. If the system has infinitely many solutions, write the solution set with x arbitrary. 5x - y + z = 8 7x + y + z = 612x + 2z = 14
A. {(x, -x - 1, -6x + 7)} B. {(x, -x + 1, 6x + 7)} C. {(x, -x + 1, -6x + 7)} D. {(x, -x + 1, 6x - 7)}
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Use transformations to graph the function.y = -3 cos x
A. 
B. 
C. 
D. 
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