Find the slope of the line through (1,-1) and (6,2).

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

Anyone? 15m is what percent of 60m; 3m; 30m; 1.5 km?

Which ratios are equivalent to 10: 16? check all that apply. 30 to 48 25: 35 8: 32 5 to 15