Add or subtract as indicated and write the result in standard form.(6 + 7i) - (-8 + i)
A. -14 - 6i
B. 14 + 6i
C. -2 + 8i
D. 14 - 6i
Answer: B
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For functions that model practical phenomena, the variables involved often have units associated with them.
Answer the following statement true (T) or false (F)
Write the mixed number as an improper fraction.2
A. 
B. 
C. 
D. 
Solve the problem.After receiving a discount of 13.5% on its bulk order of typewriter ribbons, John's Office Supply pays $4,671. What was the price of the order before the discount? Round to the nearest dollar.
A. $4,040 B. $5,400 C. $4,274 D. $5,302
Write the whole number in words.64,568,009
A. Sixty-four million, five hundred sixty-eight thousand, nine B. Sixty million, forty-five thousand, sixty-eight hundred and nine C. Sixty-million, five thousand sixty-eight hundred, nine D. Sixty-four million, five hundred thousand, sixty-eight hundred, nine