Find the standard deviation for each data set. Use the standard deviations to compare the pair of data sets. fastest recorded speeds of various large wild cats​ (miles per​ hour):
60 50 25 35 45 30 25 40 15
fasted recorded speeds of various birds in flight​ (miles per​ hour):
218 103 92 53 64 37 45 29 54 20 30

Solve for x, y, and z. show all steps.

Eis the midpoint of line segment ac and bd also line segment ed is congruent to ec prove that line segment ae is congruent to line segment be

Select the correct answer from each drop-down menu. a system of equations and its solution are given below. system a complete the sentences to explain what steps were followed to obtain the system of equations below. system b to get system b, the equation in system a was replaced by the sum of that equation and times the equation. the solution to system b the same as the solution to system a.]