You run 6 miles in one hour at this rate how long will it take you to run a marathon approximately 26 mile

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.

What is the missing step in this proof ?

Which equation represents the function on the graph?