What operatoins to be used​

What happens to graders who use a red pen? a.they are more accurate with thier correctionsb.they find more errorsc.they feel themselves getting angrt when they graded.they make more mistakes

Read the following excerpt and answer the question.if i read the temper of our people correctly, we now realize as we have never realized before our interdependence on each other; that we can not merely take but we must give as well; that if we are to go forward, we must move as a trained and loyal army willing to sacrifice for the good of a common discipline, because without such discipline no progress is made, no leadership becomes effective.(from franklin delano roosevelt's inaugural address , )using context clues, explain what interdependence means in regards to excerpt above. be sure and write your answer in complete sentences referencing the excerpt above.

Why it's time to lay the stereotype of the 'teen brain’ to rest 1. part a: which statement identifies the central idea of the text? a experts have spent time researching how different the teenage brain is from adults’ brains, when they are actually more similar than different. b teenagers often engage in risky behavior to fulfill the narrative they have been told about how teenagers are supposed to behave. c explanations for why teenagers engage in risky behavior have been overly focused on brain development, rather than their natural need to explore the world. d teenagers’ risky behavior is influenced by the combined effects of their hormone levels and their brain development.