You flip the sign from > to < only when you are dividing by a negative number and in this case it would be negative 9.
Answer:
Step-by-step explanation:
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Whole formula 2*pi*radius^2 + 2*pi*radius*height:
157+942= 1099
SA= 1099
The answer is A because 2time 2 is 4-2 =2 and then 120times 2 =240