A train can travel at a rate of 85 miles per hour. At this rate, how many hours will it take the train to go 102 miles

Step-by-step explanation:

Given

Required

Determine the time for 102 miles

In this case, we make use of Speed formula as follows:

This gives:

Solve for Time

Hence, the time needed is 1.2 hours

constant acceleration- a

constant velocity- c

no velocity or acceleration- b

explanation:

for body moving with a constant acceleration, the rate of change of displacement changes over time. this is proven by the increasing gradient of the curve (a) against time.

a body that is moving at constant velocity covers equal distances over equal periods of time, thus the straight line with a constant gradient c.

a stationary body   covers no displacement as time elapses. thus the flat line with   zero gradient.

i believe that the answer is

b. y-1=-2(x-4)

hope this !