Free po ints dont rep ort me i didnt do anything

Who gave the famous "i have a dream" speech at the march on washington?

What was different about warfare in the early 1800s and early 1900s?

Which is relatively better: a score of 76 on a psychology test or a score of 22 on an economics test? scores on the psychology test have a mean of 90 and a standard deviation of 13. scores on the economics test have a mean of 52 and a standard deviation of 10.