Chip is unloading 15 bricks from a truck. each brick has a mass of 3 kilograms. what is the total mass of all the bricks? a. 5 kg b. 12 kg c. 18 kg d. 45 kg

You’re repairing a large rectangular aquarium. the final step is to cover the glass with a protective film. the front and back of the aquarium measure 4 meters by 2 meters, and the sides of the aquarium measure 3 meters by 2 meters. how many square meters of protective film do you need? ( )

If you could answer these your a life saver

Sue's average score for three bowling games was 162. in the second game, sue scored 10 less than in the first game. in the third game, she scored 13 less than in the second game. what was her score in the first game?