Abaseball tournament begins with 128 teams. after each round of games, only half of the existing teams are left. how many teams will be left after 3 rounds of games? 12 16 32 8

Determine whether the set of whole numbers is closed under addition. explain why the set is or is not closed. give an example.

Arectangle with an area of 47 m² is dilated by a factor of 7. what is the area of the dilated rectangle? enter your answer in the box. do not leave your answer as a fraction.

Drag each expression to the correct location on the solution. not all expressions will be used. consider the polynomial 8x + 2x2 - 20x - 5. factor by grouping to write the polynomial in factored form.