Determine the equation of the midline of the following graph.

What could explain what happened when the time was equal to 120 minutes

Write the expression as a single natural logarithm. 2 in a - 4 in y

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