Write the expression in standard form.(8 + 5i) - (-2 + i)
A. -10 + 6i
B. -10 - 4i
C. 10 - 4i
D. 10 + 4i
Answer: D
Mathematics
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Evaluate the given expression.(-27)5/3
A. - 
B. -243
C. -3
D. - 
Mathematics
Solve the problem.Suppose the consumption of electricity grows at 6.6% per year, compounded continuously. Find the number of years before the use of electricity has tripled. Round the answer to the nearest hundredth.
A. 1.66 yr B. 0.17 yr C. 16.65 yr D. 45.45 yr
Mathematics
Simplify. Assume that variables represent positive real numbers.
A. y10 B. x5 y3 C. x y3 D. x y10
Mathematics
Perform the indicated division or state that the expression is undefined.-23 ÷ (-1)
A. undefined B. -23 C. -1 D. 23
Mathematics