Hey im taking act in a couple of days and was hoping if theres anyone whose willing to help me study give me tips and stuff

The personal identification number that students need to apply for federal student aid

Which of the following must happen in order for productivity to increase? a. production levels remain unchanged while inputs increase. b. production levels rise while inputs decrease. c. production levels fall while inputs increase.

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