If possible, simplify the expression. If any variables exist, assume that they are positive.
- 
A. -9
B. - 3
C. - 3
D. -4.5
Answer: A
Mathematics
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Find the product, and write in lowest terms, if necessary.3 ? 
A. 
B. 
C. 
D. 15
Mathematics
Solve the problem. Round dollars to the nearest cent and rates to the nearest tenth of a percent.The amount of markup on a store item is $17. Find the cost to the store if the markup is 20%.
A. $3.40 B. $14.17 C. $20.40 D. $85.00
Mathematics
Solve the polynomial equation in the complex numbers.3x3 - x2 - 21x + 7 = 0
A. {- 
, 
, - 
}
B. {3, 
, -
}
C. {-3, 
, - 
}
D. {
, 
, - 
}
Mathematics
Perform the indicated operations and write the answer in the form 
where a and b are real numbers.(-5 + 3i) - 8
A. -13 + 3i B. 3 + 3i C. 13 - 3i D. 3 - 3i
Mathematics