Homer trying to decide what to wear for his graduation. He has narrowed his choices down to two jackets, three shirts, two pairs of pants, and two pairs of shoes. How many combinations can he have? PLEASE HELP FAST.

Geometry answer picture question pls . reason and statements

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

How many and of which kind of roots does the equation f(x)=x3−x2−x+1