What is the equation of the quadratic function with a vertex at (2,-25) and an x-intercept at (7,0)?

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?

There is a spinner with 14 equal areas, numbered 1 through 14. if the spinner is spun one time, what is the probability that the result is a multiple of 2 or a multiple of 5?

The function f(x) = 14,600(1.1)* represents the population of a town x years after it was established. what was the original population of the town?