What is the value of ( h o k ) (2)
a -5
b 1
c -2
d -3

Ammonia molecules have three hydrogen atoms and one nitrogen atom.how many of each atom arein five molecules of ammonia

The length of a field is 100 yards and its width is 75 yards. if 1 inch represents 25 yards, what would be the dimensions of the field drawn on a sheet of paper?

Could someone me with this question i’ve been stuck on it for 20 minutes