What is the answer to calculate the length of the circumference of a circle with a diameter of 9.2cm.

Which statements are true? see picture

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 ia the sum if the first 7 terms of the geometric series