Hi i am a 12 year old kid in need of help. please help if u can

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?

The parabola x = y² - 9 opens: a.)up b.)down c.) right d.)left

15m is what percent of 60m; 3m; 30m; 1.5 km? the last one is km not m