Please answer the question separately  and cite . It is two different questions

Please answer the question separately  and cite . It is two different questions ❓
Question 1. 
Explain the relationship between RTI and MTSS. Describe the benefits and challenges that may exist with accurately implementing a MTSS with culturally and linguistically diverse students.
Question 2.
One often sees behaviors increase as a result of frustration with learning. How could addressing academic difficulties mitigate behavioral issues? Share an appropriate behavioral intervention for students with an intellectual disability at a mild, moderate, diagnosis.