Write 0.75 as a fraction.

Shryia read a 481 -page-long book cover to cover in a single session, at a constant rate. after reading for 1.5 hours, she had 403 pages left to read. how fast was shryia reading? pages per hour how long did it take her to read the entire book? hours plz i realy need this

An elevator travels 310 feet in 10 seconds. at that speed, how far can't his elevator travel in 12 seconds?

What unit of been sure would be appropriate for the volume of a sphere with a radius of 2 meters