N divided by 8, then subtract 3 from the quotient

Find an equation for the linear function which has slope -10 and x-intercept -7

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%.

If three points are collinear, they are also coplanar