How many m2 (meters squared) are in 15,011,646 in2 (inches squared) given that 1in = 2.54 cm (exactly) and 12 in =1ft.

There is one girl i like and i don't know how to tell her that, i have a feeling she knows but if she doesn't i don't want to make a fool out of myself how is one way to boost my confidence on asking her out

How many moles of oxygen react with 12 moles of aluminum

What is the mass of oxygen gas is consumed in a reaction that produces 4.60mol so2