What was the western border of the United States in the early 1800s?

What percentage of roads in germany have no speed limit?

Why do you think kush in nubia is not as well-known as egypt? ( me with my exit ticket)

Pj conducts an experimental study on the effects of soft music during high stakes science testing. he randomly assigns students at the school. in one condition he does not provide music for testing while in the other group he does provide the music. he administers a pretest at the beginning of the year and a posttest at the end of the year. pj’s design is best described as a: a.static group comparisonb. pretest-posttest control group designc.control-group-time-series designd. nonrandomized control-group pretest-posttest design