think of a sphere of radius r as being made up of a large number k of congruent small square based pyramids. Let the area of each square base be B. What is the volume of one pyramid in terms of r k and b?

The long jump record, in feet, at a particular school can be modeled by f(x) = 19.6 + 2.5ln(x + 1) where x is the number of years since records began to be kept at the school. what is the record for the long jump 11 years after record started being kept? round your answer to the nearest tenth.

The sum of these consecutive integers is equal to 9 less than 4 times the least of the integer. find the three integers

What would the rule be for the reflection of y=-3