Simplify. Write your answers in the form of a+bi, where a and b are real numbers.
? 
A. 40i2
B. 40
C. -40i
D. -40
Answer: D
Mathematics
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Find the effective rate corresponding to the nominal rate. Round to the nearest hundredth of a percent.10% compounded monthly
A. 10.47% B. 10.57% C. 10.60% D. 10.42%
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Use the properties of logarithms to solve.ln (3x - 4) = ln 20 - ln (x - 5)
A. 5, 
B. 0, 
C. -5, - 
D. 
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Simplify.
A. 1
B. 1 - a2
C. 
D. 
Mathematics
Find all values that make the expression undefined.
A. 0.333 B. Never undefined C. 3 D. 0
Mathematics