Rayshawn is playing a game in which he needs to roll or 4 or higher on a dice in order to move his playing piece on the game board.. What is the probability he will roll a number that allows him to move.​

One of the inventors of integrated circuits observed that the number of transistors that fit on an integrated circuit will double every 24 months. what type of relationship most appropriately models this situation?

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

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?