What is the equation of the line that is perpendicular to line a and passes through (2,7).

Statement: if two points are given, then exactly one line can be drawn through those two points. which geometry term does the statement represent? defined term postulate theorem undefined term

Given the following sampling distribution of one mean with a sample size 49, from a normally distributed population,find the population standard deviation, o.79828588912497

If m 17 27 90 63 ** picture is attached