I need help now!! pls if you dont know it pls dont answer. I really dont understand it and i need the actual answer.

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

Find an equation of the line perpendicular to the graph of 28x-7y=9 that passes through the point at (4,1)

Find the slope of the line passing through a pair of points