Science Can you please answer this

II. Problem Sloving:Solve the given problem below. Write your sulotions (5pts.)

A speeding car passes a stop light at 10:00 am. at 10:15 am it is 450 m east of the stop light and at 10:30 am it is located 900m east of the stop light. what is the average velocity of the car from the time between 10:15am and 10:30am?​

I give you a brainlest! please just answer this? If you don't know the answer please dont answer it?

Please i really need this :<​

In which phase(s) do the molecules take the shape of the container?

Mike and mitchell decide to have a foot race. they mark off a stretch of 100 yards, and recruit cindy to work the stopwatch. after running the race and looking at the results, cindy declared that mitchell was the fastest. so how did the boys times compare?

In vapor-liquid equilibrium in a binary mixture, both components are generally present in both phases. how many degrees of freedom are there for such a system? the reaction between nitrogen and hydrogen to form ammonia occurs in the gas phase. how many degrees of freedom are there for this system? steam and coal react at high temperatures to form hydrogen, carbon monoxide, carbon dioxide, and methane. the following reactions have been suggested as being involved in the chemical transformation: