Amathematical term that does not include an equal or inequality sign is called an

Find the center and the radius of the circle with the equation: x^2-2x+y^2+4y+1=0?

Acertain volume of water contains 100000 hydrogen atoms and 50,000 oxygen atoms how many hydrogen atoms are in a volume of water containing 4 million oxygen atoms

The following hormone had their receptors in the cell membrane except a-insulin b-tsh c-gh d- cortisol