That's easy if there is 100 chairs there would be 10 rows with ten chairs in each row
If y=mx+b,

You can't differentiate a constant, so dy/dx=m.
Not sure wym but if u can't write the format just write the numbers out in spanish: uno dos tres cuatro cinco seis siete ocho nueve diez
0 lines because however you cut it in half, The sides do not match.