The distance train a travels is represented by d=70t, where d is the distance in kilometers and t is the time in hours. the distance train b travels at various times is shown in the table. what is the unit rate of each train? which train is going faster

table

time (hours) distance(km)
2 150
4 300
5 375

Train B is going faster

Step-by-step explanation:

The distance Train A travels is represented by

where d is the distance in kilometers and t is the time in hours

The speed of train A is 70 kilometer per hour

To find speed of train B use the table

find out slope

The speed of train B is 75 km per hour

The speed of the train B is more

Train B is going faster

the expected value of the random variable : 0, 1 and 2

step-by-step explanation:

i think it will be zero as slope has a formula of difference between initial and final distance divided by itz time interval