A school uses the formula T =1/10n + 2 to determine the number of teachers, T, that are needed for a field trip with n students. Eight teachers are needed for the next field trip. How many students will be going on the trip?​

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%.