A set of elementary school student heights are normally distributed with a mean of 105 centimeters and a standard deviation of 5 centimeters. What proportion of student heights are between 93 centimeters and 100.5 centimeters?
You may round your answer to four decimal places.

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%.