Factor 9x 6 – 16y 6 completely. first factor each term. 9x 6 = 16y 6 = then use a2 – b2 = (a – b)(a + b). show your work. 9x 6 – 16y 6 =

Which account has the highest effective annual interest rate? not necessary but show how you got your answer.a. account 1: interest is compounded quarterly at an annual rate of 4.20%.b. account 2: interest is compounded monthly at an annual rate of 4.15%.c. account 3: interest is compounded semiannually at an annual rate of 4.10%d. account 4: interest is compounded annually at a rate of 4.25%.