Leslie’s bookstore has a 48% off sale on all of its merchandise. how much is the discount on a book that originally costs $36.45?

1. what is the phythaforean theorem? 2.what do we use it for? 1.what is the distance formula ? 2.what do we use it for?

Asap! i'm not good math and i'm lost.

The cost for an uberi is $2.50 plus $2.00 mile. if the total for the uber ride was $32.50, how many miles did the customer travel?