Select all of the ratios that are equivalent to 1/2. A.) 2/6
B.) 4/8
C.) 50/100
D.) 9/18
E.) 20/40
F.) 35/40

True or false look at the picture pls : /

The distribution of the amount of money spent by students for textbooks in a semester is approximately normal in shape with a mean of $235 and a standard deviation of $20. according to the standard deviation rule, how much did almost all (99.7%) of the students spend on textbooks in a semester?

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