What is the z value such that 50 of the total area under the standard normal distribution curve lies to the right of it

What is the image of c for a 90° counterclockwise rotation about a? (3, 7) (-1, 3) (7, 3)

Which of these tools or constructions is used to inscribe a hexagon inside a circle?

Alcoa was $10.02 a share yesterday. today it is at $9.75 a share. if you own 50 shares, did ou have capital gain or loss ? how much of a gain or loss did you have ? express the capital gain/loss as a percent of the original price