Krista made a rectangular cardboard sign that was 7 inches by 9 inches. She then cut out a rectangular piece that was 2 inches by 3 inches. What was the area of the cardboard after the piece had been removed?

Which best explains why the number of states in the world increased significantly between 1985 and 1995? the map of southeast asia was redrawn, and new countries were formed. new states were formed when the soviet union collapsed. many african states received independence from their colonizers. communist countries seeking to spread their influence created new satellite states. civil wars in central america fueled the creation of new states.