Solve the systems of equtions using the addition method. 
A. {(-8, 0)}
B. {(0, 8)}
C. {(1, 7)}
D. no solution; ?
Answer: B
Mathematics
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Solve the problem.An equilateral triangle has perimeter 33 inches. What would be the perimeter of a square whose sides each measure the same length as the side of the triangle?
A. 121 inches B. 44 inches C. 11 inches D. 22 inches
Mathematics
Evaluate the integral by changing the order of integration in an appropriate way.
A. 5 ln 4 (1 - sin 49)
B. 5 ln 4 (1 - cos 49)
C. 
ln 4 (1 - cos 49)
D. 
ln 4 (1 - sin 49)
Mathematics
Use logarithmic differentiation to find the derivative of y.y = 
A. 
B. 
C. 
(2x + 7)
D. 
Mathematics
Solve the problem.A wastewater treatment plant processes 613,000 gal/day. Convert this to liters per hour.
A. 162,000 L/h B. 6750 L/h C. 9670 L/h D. 96,700 L/h
Mathematics