Find the sum.
A. 13
B. 11
C. 12
D. 2
Answer: C
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Solve the equation after making an appropriate substitution.x4 - 17x2 + 16 = 0
A. {-4, 4} B. {-4, -1, 1, 4} C. {-16, 16} D. {-17, 17}
Solve the problem using the strategy of your choice.Can you place the digits 1 through 9 into a 3 x 3 square so that each row, column, and diagonal add up to the same total? Four digits have been inserted.
A. 
B. 
C. 
D. 
Perform the indicated operations and write the result in standard form.
- 
A. 
- 10i
B. 
i - 10
C. i(
- 10)
D. i(
+ 10)
Translate the sentence into a mathematical equation. Be sure to identify the meaning of all symbols.The total cost of producing refrigerators in one production line is $3800 plus $100 per unit produced.
A. If C is the total cost and x is the number of units produced, then 
B. If C is the total cost and x is the number of units produced, then 
C. If C is the total cost and x is the number of units produced, then 
D. If C is the total cost and x is the number of units produced, then 