QUESTION WORTH 15 POINTS NO WRONG ANSWERS PLEASE!! Katherine is doing her taxes. If she makes $75,000 at her job as a professor, how much will she pay in taxes according to the table below? (image below)

Pls , the question is in the picture!

Which recursive formula can be used to determine the total amount of money earned in any year based on the amount earned in the previous year? f(n+1)=f(n)+5

Afarmer has a large field that is x feet in length. he wants to fence in a rectangular section in the middle of the field , leaving a length of 100 feet of open field behind each end of the fenced rectangle.he also wants the width of the fenced-in space to be 100 feet less than its length. find the expressions to represent the length and width of the fenced section of the field