Suppose the distribution of a student’s past posting threads in the Algebra Nation Student Walk is normal with a mean of 12 post and a standard deviation of four posts.

The volume of gas a balloon can hold varies directly as the cube of its radius. imagine a balloon with a radius of 3 inches can hold 81 cubic inches of gas. how many cubic inches of gas must be released to reduce the radius down to 2 inches?

If there is 20 dogs in the shelter and 5 dogs get homes, and then 43 more dogs come. how many dogs are there in the shelter?

What is the volume of this container?