I really need help with this!

What is the greatest common factor of 8 and 36

How can (square root of 25) ^2 be rewritten?

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.