Mr. and mrs. fisk have 8 children. each of those children has 8 children. each grandchildren has 8 children. how many great grandchildren do mr. and mrs. fisk have?

He concluded that a heavier object dropped from the same height as a lighter object will land

Li buys supplies so he can make and sell key chains. he begins to make a profit only after he sells 4 key chains. what point on the graph makes the most sense in this situation?

If the discriminant if a quadratic equation is 4 which statement describes the roots?