Which expression is equivalent to "the second power of (8-3)"?

Can someone me and do the problem plz so i can understand it more better

Ebuka's monthly rent is $750. if ebuka pays the rent late, his landlord charges 4% interest per week that the payment is late. write a function that gives the total cost r(t), in dollars, of ebuka's rent if he pays it t weeks late.

How do you write a paragraph proof to prove that the corresponding angles shown are congruent