HELP! Please!! Juan borrowed 12,00 from his friend eduardo and made an agreement to play him back over 2 years at an annual simple interest of 4% what is the total amount he will pay his friend back over the 2 years

Could somebody me with this radical simplification?

Given: lines a and b are parallel and line c is a transversal. prove: 2 is supplementary to 8 what is the missing reason in the proof? statement reason 1. a || b, is a transv 1. given 2. ∠6 ≅ ∠2 2. ? 3. m∠6 = m∠2 3. def. of congruent 4. ∠6 is supp. to ∠8 4. def. of linear pair 5. ∠2 is supp. to ∠8 5. congruent supplements theorem corresponding angles theorem alternate interior angles theorem vertical angles theorem alternate exterior angles theorem

Calculate the effective quarterly compound interest rate equivalent to a 1% of monthly compound interest rate.