Tell me if the answered ones are correct, and i really need on the un-answered ones.

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

How do i solve uniform motion problems?

Which expression do you get when you eliminate the negative exponents of 4a^2 b^216a^-3 b