The total number of degrees, d, in an n-sided polygon is given by the formula when janelle solves for n, she gets. Sophie solved the same equation for n and got an equivalent equation. Which of the following could be sophie’s equation?.

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