A most definitely if not please correct me
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.
The Nineteenth century was an age of emancipation, nationalism, and imperialism--all of which contributed to the growth and intensification of ideological racism in Europe and the United States.
Answer:
Explanation:
Cuando se produce una devaluación monetaria, los principales efectos negativos son: Aumento de la inflación. Erosión de los ahorros en moneda local y pérdida de salario real. Licuación de la deuda por parte de empresas que fijaron el contrato en moneda local.
Answer:
You must assign downgrade instructions aimed at completing the mission.
Explanation:
The OCA responsible for classifying this military information must assign Downgrade instructions in a situation like this. This type of instruction refers to configuration instructions where an individual can adopt plans smaller than what was previously established, that is, the user must adopt a lower plan, less influential and impacting.