Find all complex solutions for the equation.1 + 
= 
A. {-9, 8}
B. 
C. {-8, 9}
D. {8, 9}
Answer: A
Mathematics
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Find the square root if it is a real number. If it is not a real number, state so.
A. 3.464 B. 24 C. 12 D. 6
Mathematics
Solve the problem.Midtown Antiques has found that sales have decreased 6% from last year. Sales this year are $172,962. Find the amount of last year's sales. Round your answer to the nearest dollar.
A. $185,002 B. $183,992 C. $183,902 D. $184,002
Mathematics
Solve the equation by the method of your choice. Simplify irrational solutions, if possible.2x2 + 12x = - 3
A. 
B. 
C. 
D. 
Mathematics
Change the following binary number to hexadecimal form.
A. 93 B. FF C. 84 D. 86 E. 81
Mathematics