Compute for the Mean, Median, and Mode of the frequency distribution below

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?

On average, how many more hits will he get when he bats 100 times at home during the day as opposed to 100 times away at night?

Describe the 2 algebraic methods you can use to find the zeros of the function f(t)=-16t^2+400.