Answer:
i-
Step-by-stes 32 p explanation:
9x+2x-3
=11x-3
Plus all the unknow factors
Answer:
Total surface area of the cylinder=
Step-by-step explanation:
Circumference of the cylinder= 


Height of the cylinder =radius/2=3 cm
Total surface area of the cylinder =
As, 
Area of the cylinder:

The total surface area of the cylinder= 
Answer:
8-2i
Step-by-step explanation:
If he chews 4 pieces of gum a day that is 28 a week so if you need 28 and gum comes in packs of 7 28/7 is 4 so he will need 4 boxes of gum a week or 18 packs a month or 213 a year