Answer: The percentage of the original price was his discount = 10%
Step-by-step explanation:
Given: original price = $60
Price after discount = $54
Discount = Price after discount - original price
= $ (60-54) = $6
The percentage of the original price was his discount = 

Hence, the percentage of the original price was his discount = 10%
I'm guessing it is 10? or 7?
You haven't written the question properly because we have nothing to base y on.
Answer:
D. -2+4i
Step-by-step explanation:
just combine like terms :)
B or C I’m not sure but good luck!!!