A quadratic function f(x) is hidden from view. You must find all intervals where f(x) is increasing. Choose the form of the quadratic function f(x) that you would like to see in order to answer the question most efficiently

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?

At the county fair, the baxter family bought 6 hot dogs and 4 juice drinks for $12.90. the farley family bought 3 hot dogs and 4 juice drinks for $8.55. find the price of a hot dog and the price of a juice drink.

Plz : denver is about 5,200 feet above sea level. which number line best represents this integer?