Answer:
Step-by-stept explanation:
The price of one drink is 3
The Formula's for a cylinder is V=

r^2h and the volume of a Cone is V=1/3

r^2h. So you would know that the volume of a cone is 1/3 the volume of a cylinder.
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Answer:
The expression which denotes the differences of squares is
n² - 225
As here 225 is a square of 15.
Hope it will help :)❤
Correct the answer is -55