Football/Soccer: I need to buy a new training ball. What is the best?

Try an adidas Glider ball, the Puma and Nike training always seem to come from the manufacturer lopsided or weird in terms of shape... I have an adidas Roteiro glider from 2005 and it's still perfect in terms of performance and shape even though I've used it for countless hours of soccer training

Shold I throw them away-vey?

If I saw a patient scratch her bum, then dip into the bowl off holiday colored M&M's, should I toss them or watch in glee as others delve into the "tainted" (no pun ontended) treats. I will no longer have any desire to eat handfulls of said M&M's for breakfast. fact

Prove if m|n, then φ(m)|φ(n).?

Let m and n be positive integers. Let φ be the Euler phi function defined... φ(a) is the number of integers n, 1<=n<=a, such that (a,n)=1.

What statistical test should I run?

I'm doing a statistical research project on the independence of free throw shots in the NBA. The problem is that I can't put free throw shooters into a group because they have different completion percentages. How should I collect the data and then yze it?

What would NOT be considered intellectual property, but that people might think?

Intellectual property can be a copyright, trademark, trade secret, process etc that is unique to an individual or organization. However, I am asking an example of something that would NOT be covered.

How to fix my bleached hair disaster?

tried to get to blonde, and didnt quite make it. I was wary of using bleach in the first place, but went ahead anyways. Without going really dark again, is there a way to get my hair blonde without having to bleach it again? can I just put regular dye over it, even though it has that yellow tint to it? How long do I need to walk around with my new banana head before I can fix it? Emergency help please, so me and my hats dont become best friends?!

Back by popular demand, Brain Teaser # ? lost count?

There was a green house. Inside the green house there was a white house. Inside the white house there was a red house. Inside the red house there were lots of black babies.....What is it?