The graphs below have the same shape. What is the equation of the blue graph?

Is the orthocenter of a triangle on the inside ?

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.

15/16 as a decimal rounded to the nearest hundredth