Add.+ 
A. 9.0921
B. 9.2131
C. 9.1921
D. 9.1931
Answer: D
Mathematics
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Determine whether the following is an expression or an equation.2n3 - 9n
A. Expression B. Equation
Mathematics
Solve the equation.(3x + 1)1/2 = 3 + (x - 4)1/2
A. {-1} B. {-5, -8} C. {5, 8} D. ?
Mathematics
Perform the indicated operations and write the answer in the form 
where a and b are real numbers.4i + (-4 - i)
A. -4 + 3i B. 4 - 5i C. -4 + 5i D. 4 - 3i
Mathematics
Express the number in terms of i.-
A. 
i
B. 
C. -11i
D. -
i
Mathematics