Change 4.8 meters into centimetres

Kendra had twice as much money as kareem. kendra later spent $8 and kareem earned $6. by then,the two had the same amount of money. how much money did each have originally?

Which graph has figures that can undergo a similarity transformation to justify that they are similar? (obviously not the third one)

Two years ago a man was six times as old as his daughter. in 18 years he will be twice as old as his daughter. determine their present ages.