christian has 1/8 of a hershey's bar. Ellie has 1/3 of a hershey's bar. who has more, and how much more do they have

The ratio pv to nrt is plotted against pressure for ch4 at 0°c and 200°c. why does the curve for 0°c drop below the horizontal line for an ideal gas whereas the curve for 200°c does not?

Diana is painting statues she has 7/8 of a liter of paint each statue requires 1/20 of a liter of paint how many statues can she paint?

F(x)=x/2-2 and g(x)=2x^2+x-3 find (f+g)(x)