Find the approximate surface-area-to-volume ratio of a softball with a radius of 2 inches

School has 204 sixth grade students. if the sixth grade is 30% of the total school, how many students are in the middle school?

Let f(x) = 3 − x . find the average rate of change of f(x) from x = a to x = a + h and simplify your answer so that no single factor of h is left in the denominator.

1) you deposit $2,500 in an account that earns 4% simple interest. how much do you earn in eight years?