WHAT IS THE VALUE OF B help plz ?

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?

Which value is not a solution of 8x^3 – 1 = 0

Which inequality comparing two of the expressions is true when 0.7 < x < 0.9