What is the value of x?

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

Can (2,3 and square root 10) be sides ona right triangle?

Me complete this proof! prove that a quadrilateral is a square. me with the steps for this proof.