Which is the longer unit measure? 5cm 5dm

Olivia uses the work below to determine 55% of 720 which explains the error in olivia’s solution

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.

The quadratic function h(t)=-16.1t^2+150 choose the graph representation