In a large bag of marbles, 30% of them are red. A child chooses 4 marbles from this bag. Of the child chooses the marbles at random, what is the chance that the child gets exactly three red marbles

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?

Awater truck is filling a swimming pool. the equation that represents this relationship is y=19.75x where y is the number of gallons of water in the pool and x is the number of minutes the truck has been filling the pool.

An octagonal prism has jow many lateral faces?