Is there a website where we can read school textbooks for free? Pls give good suggestions. (preferably elementary school textbooks, not high school or university)

The estimated number of people to attend the last bengals game of the season was 2000. the actual number of fans attending was 1200. by what percent did the estimate differ from the actual?

This is my question~~ ( r ^ 4 - 2r ^ 3 - 23 r ^ 2 - 4r - 32)÷(r+4) ~~ i must use long division to solve it : / i was wondering if anyone world like to solve it. and if so, share step-by-step explanations! you! ❤

What is the value of m in the equation 1/2 m - 3/4n=16 when n=8