PLZ HELP WILL GIVE 30 POINTS AND MARK BRAINLIEST IF ANSWER ARE CORRECT. Thank you! :)

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.

Closing a credit card usually _your debt ratio. a. increasesb. decreasesc. improvesd. has no effect on

If f(x)=3x+1 and f^-1=x-1/3, then f^-1(7)=