Cylinder a has radius r and height h. cylinder b has radius 2r and height 2h. how many times greater is the surface area of cylinder b than the surface area of cylinder a?
i have no idea how to start doing this problem. are there any tips on how to start?

The median of a data set is the measure of center that is found by adding the data values and dividing the total by the number of data values that is the value that occurs with the greatest frequency that is the value midway between the maximum and minimum values in the original data set that is the middle value when the original data values are arranged in order of increasing (or decreasing) magnitude

You are designing a rectangular pet pen for your new baby puppy. you have 30 feet of fencing you would like the fencing to be 6 1/3 feet longer than the width

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