HELP! Will give + 22 pts up for grabs Question : It takes a boat 2 hours to travel 24 miles downstream and 4 hours to travel 32 miles upstream.

What is the speed of the boat in still water? The boat travels at _ miles per hour in still water.

What is the speed of the current of the river? The speed of the current is _ miles per hour.

Agroup of student volunteers participates in a study designed to assess several behavioral interventions for improving output in a repetitive task. prior to the beginning of the study, all volunteers unknowingly observed, and their output is measured. at the beginning of the study, prior to any intervention, the volunteers perform the same task under the observation of a study administrator, and their overall output increases. which of the following terms describes this phenomenon? a. simpson's paradox b. hawthorne effect are d. novelty effect d. pygmalion effect e. observer-expectancy effect

(apex) on the planet kudzu, the probability that a bird is green is 0.30. the probability that the bird is green given that the bird is female is 0.30. which statement is true?

How can you write the expression with a rationalized denominator? 5−√2 √3