I need help with this math assignment!! Will mark brainliest!

Which expresions are equivalent to the one below? check all that apply. 5x

Find the surface area of the prism formed by the net

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?