Rick is setting up a model train track that is 5 and 5 over 6feet long. no telephone pole is needed at the start of the track. however, along the track, he places a telephone pole every 5 over 12foot apart. how many telephone poles does he need? (input number values only)

numerical answers expected!

Malia is observing the velocity of a cyclist at different times. after two hours, the velocity of the cyclist is 15 km/h. after five hours, the velocity of the cyclist is 12 km/h. part a: write an equation in two variables in the standard form that can be used to describe the velocity of the cyclist at different times. show your work and define the variables used. (5 points) part b: how can you graph the equations obtained in part a for the first 12 hours? (5 points) if you can try and make this as little confusing as you can

The roots of the function f(x) = x2 – 2x – 3 are shown. what is the missing number?

State one method by which you can recognize a perfect square trinomial.