In arizona 85% of the days are sunny how many are there in an average year

For which rational expression is -2 an excluded value of x?

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 roots of the function f(x) = x2 – 2x – 3 are shown. what is the missing number?