What are the steps to get a mixed number fraction for the answer?

The late fee for library books is $2.00 plus 15¢ each day for a book that is late. if maria’s fee for a late book was $3.20, write and solve a linear equation to find how many days late the book was.

Simplify 15(x - 4)(x -1)-3(x + 4)(x - 1) with steps

What is the name of a polygon that has four congruent sides and theses angle measures 60,120,60,120?