In circle f, the measure of ∠afe is equal to 150° and the measure of arc bd is equal to 50°. What is the measure of ∠c?.

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