Explain how to find which is greater: 1/4 of 12 or 1/3 of 12.

Which equations represents circles that have a diameter of 12 units and a center that lies on the y-axis? check all that apply

Asap! i'm not good math and i'm lost.

At the "no mutants allowed" country farm, every sheep has 4 legs, every chicken has two legs, and all animals have only 1 head. asked to count how many sheep and chicken are in the fields, a farm boy reports back that there are 140 feet and 50 heads. how many sheep and chicken are there? there are sheep and chicken at the farm.