A 1300 kg car with the brakes applied comes to a stop in 6.10 s. During
these 6.10 s the force of friction slowing down the car is 2200 N. What is
the change in momentum of the car?

Which of the following represents a number squared is equal to twenty more than nine times that number ? a) x squared = 9x + 20 b) x squared = 20x + 9 c) x squared > 9 + 20x d) x squared = 9 + x + 20

Polygon abcde is reflected to produce polygon a′b′c′d′e′. what is the equation for the line of reflection?

Alex took his brother to a birthday party. the party was scheduled to last for 1 and 3/4 hours but they stayed for 4/5 of an hour more. how long did she stay at the party?