Which expression is equivalent to the following complex fraction? StartFraction 3 Over x minus 1 EndFraction minus 4 divided by 2 minus StartFraction 2 Over x minus 1 EndFraction

Based on calculations, students should have 10.4 grams of powder after conducting an experiment. the students get these results: 10.2 grams, 10.4 grams, 10.3 grams, 10.4 grams, and 10.5 grams. which words best describe this data? check all that apply. a- accurate b- falsified c-invalid d-precise e-redundant