18.9
or 19 if u want natural number
Answer:

Step-by-step explanation:

We know
is a complex number and is defined by 
∴
Answer:
he would pay $8,293.5 in income tax.
b:
Step-by-step explanation: he pays 15.280515891294% of his pay in tax. if the income rate was increased to 21% then he would pay 9,675.75 in taxes. Which is 1,382.25 more than 18% tax.
Answer:
I will answer it but what is the question?
Step-by-step explanation: