HW HELP ASAP GRAPHS PLZ

Find the slope of the line that passes through the points (-2, 4) and (-5, -6). -2/7 10/3 -2/3

Which situation is an example of an observational study?

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%.