Determine the standard equation of the ellipse using the given graph.
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Answer: C
Mathematics
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Evaluate the cylindrical coordinate integral.
A. 64? B. 16? C. 8? D. 128?
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Use the quadratic formula to solve the quadratic equation.3z2 - 5z = 
A. z = 
B. z = 
C. z = 
D. z = 
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Solve the problem.A telephone costs $473. If the sales tax rate is 5%, how much tax is charged and what is the total price? Round your answers to the nearest cent.
A. $28.38, $501.38 B. $23.65, $496.65 C. $18.92, $491.92 D. $236.50, $709.50
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Use the given matrices to compute the given expression.Let A =
and B =
. Find 2A + B.
A. 
B. 
C. 
D. 
Mathematics