Find the standard deviation of the following data. Round your answer to one decimal place.

x −2 −1 0 1 2 3
P(X=x) 0.1 0.2 0.1 0.2 0.2 0.2

The marriott family bought a new apartment three years ago for $65,000. the apartment is now worth $86,515. assuming a steady rate of growth, what was the yearly rate of appreciation? what is the percent of the yearly rate of appreciation?

Click an item in the list or group of pictures at the bottom of the problem and, holding the button down, drag it into the correct position in the answer box. release your mouse button when the item is place. if you change your mind, drag the item to the trashcan. click the trashcan to clear all your answers. solve this quadratic equation using the quadratic formula. 2x2 - 2x=1 need asap

The measure of an angle is 117°. what is the measure of a supplementary angle?