Which phrase best describes Sacagawea? a Miami leader who signed the Treaty of Greenville in 1795
an American Indian leader who defeated US troops in 1791
a Shoshone woman who acted as an interpreter for Lewis and Clark
a Shoshone leader who helped Lewis and Clark cross the Rockies

Brainliest to who answers! what is the function of a purchasing cooperative, or co-op?

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

Pls will give brainliest and 5star asap pls