Identify the complex number as real or imaginary.- 
A. Imaginary
B. Real
Answer: A
Mathematics
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Which of the following is not a solution to the equation: 9x + y = 81? ?
A. ?(0, 81) B. ?(1, 72) C. ?(9, 0) D. ?(10, 9) E. ?(10, -9)
Mathematics
Write using radical notation. Then, simplify, if possible.1000-7/3
A. -10,000,000
B. 
C. Cannot be simplified
D. - 
Mathematics
Write the phrase as an algebraic expression and simplify if possible. Let x represent the unknown number.The quotient of 28 times a number and -5.
A. 
B. 28x + 5
C. 28x - 5
D. 
Mathematics
Evaluate the expression for the given value of the variable.
for x = 5
A. 
B. 
C. - 
D. - 3
Mathematics