Answer:
32 is right answer, option d
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➷ The formula for volume of a cylinder is:

The radius is half the diameter
Radius = 8/2 = 4
Substitute the values in:

Surface area = 
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Answer: 4x + 2y > 18 (not sure though)
Step-by-step explanation:
82 is your answer , I subtracted 52-40 and got 12 , so I know that the RC side is 12 more than 70.