The mermaid one dont pay attention to the others

The diameter of a circular chip is doubled to use in a new board game. the area of the new chip will be

The weight of an object in the water is 7% of its weight out of the water. what is the weight of a 652g object in the water?

Acar started driving from city a to city b, distance between which is 620 miles, at a rate of 60 mph. two hours later a truck left city b and started moving towards city a at a rate of 40 mph. what distance from city a is the point where the truck and the car will meet?