Answer:
1/6 of the students in Robert's grade have both a sister and a brother.
Explanation:
Let x be the number of total students in Robert's grade.
It is given that In Robert's grade, 1/3 of the students have a sister.
Number of students have a sister = 
Of the students who have a sister, 1/2 also have a brother.
Number of students have both a sister and a brother = 
We need to find the fraction of the students in Robert's grade have both a sister and a brother.

Therefore, 1/6 of the students in Robert's grade have both a sister and a brother.
Answer:
Both traditional and modern tragedy
Explanation:
Traditional tragedy or classical tragedy is the tragedy that consists of a single time span, setting, and one main protagonist.
Whereas, Modern Tragedies consists of more than one protagonist, realistic time, and more than one plot.
<u>The similarities between both types of tragedy are that they both have catharsis, which means that they both have there main characters caught in tragic circumstances</u>.
Answer:
You are limited to only what the first person narrator knows while writing in first person. In reality, you can't have the thoughts of another character, as it would change to another viewpoint. Let the other person betray his or her thoughts through conversation or motion.
I’m pretty sure the answer is c