Ball #1 is rolling 11 m/s directly toward a 0.17 kg ball #2 at rest. During the collision, ball #1 stops and ball #2 is launched forward at 9 m/s. What is the mass of ball #1? (think about the Law of
Conservation of Momentum)

Which recursive formula can be used to determine the total amount of money earned in any year based on the amount earned in the previous year? f(n+1)=f(n)+5

Sanya noticed that the temperature was falling at a steady rate of 1.4 degrees every hour from the time that she first checked her outdoor thermometer. by 6 a.m., the temperature had fallen 21 degrees. which expression can you use to find how many hours earlier she had first checked the thermometer?

Find the zeros of each function. f(x) = 6x^2 - 7x - 20