What is the difference between regressive and progressive tax structures?Discuss the arguments for and against each?

here are the 4 questions that i need to be solved, the first one to get all 4 will be paid.  Discuss the arguments for tuition deregulation in TX.Also, discuss the impact on tuition that resulted and who now controls tuition in TX.  Discuss Texas’ over all approach to taxation, services and economic development, including both the benefits and potential cost of such an approach.  What is the difference between regressive and progressive tax structures?Discuss the arguments for and against each?What structure does Texas have, explain? What are the arguments for and against a state income tax in TX?What would it take to get a state income tax in Texas, what would be the requirements and potential impacts?