Describe how we can use the unit circle to evaluate the cos ratio of a given angle.

What are the vertical asymptotes of the function f(x) =5x+5/x2 + x-2

Suppose sat writing scores are normally distributed with a mean of 497 and a standard deviation of 109. a university plans to award scholarships to students whose scores are in the top 2%. what is the minimum score required for the scholarship? round your answer to the nearest whole number, if necessary.

Prove that 16^4-2^13-4^5 is divisible by 11.