I need help giving out brainliest to the people who are correct

Write each expression in exponential form and find its value.| ! 2 x 2 x 2 x 2

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

The parabola y = x² - 4 opens: a.) up b.) down c.) right d.) left