Sarah and george went on hikeng trip over the weekend to mt. shasta. on saturday they hiked 9/12 mile. on saturday they hike 4/12 mile. what is the difference between the distances they hiked on saturday and sunday? a. 1/4 milesb. 5/12 milesc. 1 and 1/12 miles d. 1/3 miles

Hurry if the population of of an ant hill doubles every 10 days and there are currently 100 ants living in the ant hill what will the ant population be in 20 days

What is the value of x? enter your answer in the box.

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