Aball has a diameter of 12 inches. what is the value of the ball?

Me with this one question, and i'll upvote the brainliest answer

Plot the intercepts to graph the equation

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