What is meant by serenity?

After taking notes carefully and studying freqently, derek not only passed the test, select the word group below that best completes the sentence in parallel structure. and he got 100% but he scores well on classwork but he also scored the highest in the class and he was also scoring the best he ever had

How do headings organize your information?

What mistakes are there in the sentence sarahas hands were cold and clammy