Write the expression in the standard form a + bi.
A. 4 + 2i
B. 
+ 
i
C. 4 - 2i
D. 
- 
i
Answer: D
Mathematics
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Change the order of integration and evaluate the integral.
A. 68? B. 34? C. 102? D. 51?
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Solve the problem.Evaluate 
at t = 10 for the function w = ey - ln x; x = t2, y = ln t.
A. 
B. 
C. 8
D. - 
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Collect like terms and write in descending order.4z7 + 8z8
A. 12z15 B. 12z7 C. 8z8 + 4z7 D. 12z8
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Solve the system of equations. If the system is inconsistent or has dependent equations, say so.
A. {(x, y, z) 
}; dependent equations
B. {(-5, 3, -6)}
C. ?; inconsistent system
D. {(-6, -5, 3)}
Mathematics