Can someone help me thank you its fine if u help wit some ​

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?

Ijust need to see how to do this. so you don’t have to answer all of them just a step by step explanation of one.

Which statement accurately describes how to perform a 90° clockwise rotation of point a (1,4) around the origin?