University of Arizona scholarships: Types of Aid: Incoming First-Year and Transfer Tuition Scholarship Awards | Office of Scholarships & Financial Aid
Arizona State scholarship estimator: https://scholarships.asu.edu/estimator (“National Scholar” includes National Merit Finalist)
Subtract scholarships from out-of-state costs to see if the remaining net price is affordable. If your parents contribute $0, then you need to come up with the amount, which can include up to $5,500 federal direct loans plus what you can earn from work earnings during the summer and part time in the school year.