Alike: They both find what's in common.
Difference: LCM finds the least multiple while GCF finds the greatest factor.
15r means that she burns 15 calories per min, for as many mins as she ran. EG: if she ran for 10 min, then she burned 150 cals. The other one I'm not so sure.
To complete the table, plug in the values into the equation (y=2x+3) if you already have the y then solve for x using inverse operations, and if you have the x then just use order of operations like normal
7/8 is greater because 8/9 you’ll get less out of it
