Using the pigeonhole principle, prove that in any set of 101 integers chosen from the set {1,} there must be two integers such that one divides the other.

Find two rational expressions that have the difference of 2-n/n-4

Students are given 3 minutes for each multiple-choice question and 5 minutes for each free-response question on a test. there are 15 questions on the test, and students are given 51 minutes to take it.how many multiple-choice questions are on the test?

Which expression is equivalent to 4 square root 6 divided by 3 root 2