the brain volumes ( cm^3) of 50 brains vary from a low of 912 cm^3 to a high of 1496 cm3. Use the range rule of thumb to estimate the standard deviation s and compare the results to the exact standard deviation of 178.2 cm^3 assuming the estimate is accurate if it is within 15cm^3 answer key

The table below represents a linear function f(x) and the equation represents a function g(x): x f(x) −1 −5 0 −1 1 3 g(x) g(x) = 2x − 7 part a: write a sentence to compare the slope of the two functions and show the steps you used to determine the slope of f(x) and g(x). (6 points) part b: which function has a greater y-intercept? justify your answer. (4 points)

12. the amount of money in a bank account decreased by 21.5% over the last year. if the amount of money at the beginning of the year is represented by ‘n', write 3 equivalent expressions to represent the amount of money in the bank account after the decrease?

Find the nonpermissible replacement for binthis expression.b2/5b +5