Justin completed 85% of a book when he read the first 170 pages. How many pages are in the book?

This is about circle theorems. someone asap : (

Jimmy can run 3.5 miles in 20 minutes. how far can ne run in one hour and ten minutes?

Someone answer this asap for the length, in feet, of a rectangular rug is represented by the expression 5x² + 2x. the width, in feet, is represented by the expression 3x². which expression represents the perimeter, in feet, of the rug? a. 8x² + 2x b. 8x² + 4x c. 16x² + 2x d. 16x² + 4x