A cuanto asciende el costo total de todos los productos que se producenen la tierra​

What is the smallest integer n such that n\sqrt{2} is greater than 20

Abby is preparing fruit punch for her party. she starts with a bowl filled with liquid that has 1/2 fruit juice and 1/2 sprite, but she decides it's too fruity. so she pours out 1/4 of the liquid, and then fills the bowl up again with sprite. what fraction of the punch is now sprite?

Write the equation of the circle centered at (10,-2) with radius 2.