Discover Questions

The equation x squared + y squared = 1 is a function? If a pile of petfood shrinks down due to being eaten, is this a form of entropy? How many grams of oxygen are present in a 15.67 g sample of magnesium chlorate? Please!there are 12 different rooms in a hotel.in how many ways can 6 guests be assigned to rooms if each guest is assigned a separate room? Why do I have to sign in with my phone every time ? I can understand one time if I am using a unrecognized unit.?