:explain what the pythagorean theorem is, and when it's used. then, create a problem that requires you to solve using the pythagorean theorem, and then solve the problem. (show all your work) lastly, give an example where you can use pythagorean theorem in real life. this question has 4 parts. answer all for full credit.

On the first of each month, shelly runs a 5k race. she keeps track of her times to track her progress. her time in minutes is recorded in the table: jan 40.55 july 35.38 feb 41.51 aug 37.48 mar 42.01 sept 40.87 apr 38.76 oct 48.32 may 36.32 nov 41.59 june 34.28 dec 42.71 determine the difference between the mean of the data, including the outlier and excluding the outlier. round to the hundredths place. 39.98 39.22 0.76 1.21

The vertices of a triangle are a(7,5), b(4,2), c(9,2). what is m

Arecipe calls for 2 2/4 cups of raisins, but julie only has a 1/4 measuring cup. how many 1/4 cups is needed to measure out 2 2/4 cups of raisins?