Answer:either c or b
Step-by-step explanation: to be honest I searched up
Answer:
(2+i)(2-i)
Step-by-step explanation:
The markup is 8%, meaning it costs 8% more.
The starting price is 100%.
Therefore, the markup is 108% of $12.
If we multiply 12 by 108% (1.08), we will get our answer of $12.96
Express 0.31 as a fraction and express 0.2 as a fraction
The denominator can't equal 0.

The answer is D.