At the top of a roller coaster hill you are 210 feet above ground. at the bottom of the hill you are 15 feet above ground. write an integer that represents the change in height from top to the bottom.

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

What is the base of 1/9 to the power of 2

Do,h = (7, 9) (14, 18) the scale factor is