math ia Helping Math IA (Only experienced Math IA for IB diploma)

i need to revise last essay.. plz…can u help me..sir…i need to send after 10hours…

plz check…this file…sir….( and plz tell me how much i pay need to complete….)

1). graphs.for.Namthip (same singha….) i cant how to draw graph….

2) supplement… conclusion

3) need to more calculus ( example…. integral…) but i dont have idea…..teacher said find relation two bottle and compare or..calculation integral for volume..(using surface area formula….) but i dont know how to approach…plz help me..sir…