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The answer is 12 and 2/3.
Answer:92.9%
Step-by-step explanation: math scientific calculation helps time from time
First find the mean (sum divided by number of values)
4+5+8+10+15=42
42/5=8.4
Then find the difference between each of the numbers and the mean.
4.4, 3.4, 0.4, 1.6, 6.6
Then find the mean of those values.
4.4+3.4+0.4+1.6+6.6=16.4
16.4/5=3.28
Final answer: 3.28
The ratio of the surface areas are 361/81.
surface area is a 2D measurement.
similarity is a 1D ratio.
square root of 361/81 is 19/9.
