Do I use the tip-to-tip measurement?

Cook for 80 minutes, or until the meat reaches 115 degrees on a meat thermometer. Turn the oven off, leaving the roast in the oven for another 40 minutes, or...

Dark colors look better on the tip. It's nice to have the glitter or the darker color fading from the end of your nail towards your cuticle.

This tutorial will create a sheet that fits a standard-sized crib mattress.

It depends. If it says find the distance by road, you have to use like a string or anything that you can curve to trace the road. If it says...

You'll have to measure the length and width of your roof panel and multiply them together. Find the area of each separate panel and then add them all together for...

Honestly, I'd just recommend trying a few different pairs out. I think +1.50 is good for the computer, and +2.50 is generally a solid choice for reading, but it doesn't...

Yes. You need to do tip to tip with the inside spread, and the measurement of all the tines.