What is your name and what is mine?

Rachel reads 1/5 of the pages of a book plus 12 pages on the first day. on the second day, she reads 1/4 of the remaining pages plus 15 pages. on the third day, she reads 1/3 of the remaining pages plus 18 pages. on the fourth day, she reads the remaining 70 pages. how many total pages are in the book?

What could explain what happened when the time was equal to 120 minutes

Pyramid shown has a square base that is 18 inches on each side has a surface area of 164 square inches what is the slant height