If a(x) = 2x - 4 and b(x) = x + 2, which of the following expressions produces a quadratic function?

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 someone explain to me how to do

Corresponding angles are a. always b. sometimes c. never congruent