Can someone me! i think the answer is b. does anyone agree?

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?

Prove that (x-2)is factor of p (x)=2x³-3x²-17x+30

Urgentwhat is the area of the figure?