X= 22.5 get the x by itself by dividing by 2
The point ends up being ( 1, -1) and if you're graphing it you would put a dot on 1 and -1 on your graph and put a line connecting them (hope this helps)
There isn't one. Just because you have one name doesn't mean it determines how tall you'll be.
Actually when i saw it i stopped
explanation: tryna get points
400gr is 0.4 kg
so 6*0.4=2.4 dollars
Answer: 400grams cost 2.4 dollars