- Math help!!!!!!!!!!?

Discover Questions

Factor of x^2+15x+56+21/22^2? I have to prove that √(5n+7) is irrational, given n is a positive integer? What is a random fun-fact you know? Do you think the German breakthrough on the EM drive will be useful going forward or will the laws of physics ground the project? Divide 117 billion by 327 million?