82376 - 47294 = show how to solve it

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

∆red ≅ ∆ by rule will give brainiest if possible

Which value of m will create a system of parallel lines with no solution? y= mx - 6 8x - 4y = 12