Betty bakes and sells cookies to local stores. Her cost for one dozen cookies is $2.25 and she sells them to stores for $8.25 (per dozen). How many dozen cookies
does she need to make to earn $600?

The table represents a function f(x). what is f(3)? a.-9 b.-1 c.1 d.9

E. which of the following is not a possible probability? a. 25/100 b. 1.25 c. 1 d. 0

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