Two nails are 5/16 inch and 13/16 inch long. how much shorter is the 5-16 inch nails

Rename mixed numbers before you can subtract are what

Noor brought 21 sheets of stickers. she gave 1/3 of a sheet to each of the 45 students at recess. she wants to give teachers 1 1/2 sheets each.

If 2(a^2+b^2)=(a+b)^2 then, > a+b=0, > ab=0, > a=b, > 2a=b