For a convex 41-gon, what is the sum of the measures of the interior angles?

Polynomial that can be factored as (3x-4)(3x+4)

The annual snowfall in a town has a mean of 38 inches and a standard deviation of 10 inches. last year there were 63 inches of snow. find the number of standard deviations from the mean that is, rounded to two decimal places. 0.44 standard deviations below the mean 2.50 standard deviations below the mean 0.44 standard deviations above the mean 2.50 standard deviations above the mean

Anna is constructing a line segment that is congruent to another segment ab. for the construction, which tool should be used to mesure segment ab