Which of the following is not a 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

You earn a 12% commission for every car you sell. how much is your commission if you sell a $23,000 car?

Find the value of x for which line a is parallel to line b