Find the perimeter of each polygon. Assume that lines which appear to be tangent are tangent. Show your work and calculations.
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14.7
8
14.8
13.8

Determine the required value of the missing probability to make the distribution a discrete probability distribution. x p(x) 3 0.23 4 ? 5 0.51 6 0.08 p(4) = nothing  (type an integer or a decimal.)