Maria by 8 1/3 pounds of beef to make tacos for a party she uses 5/9 pounds of beef for each taco how many tacos can maria to make

Factor -8x3-2x2-12x-3 by grouping what is the resulting expression?

Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have left?

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