Can someone
a.) how many miles does the train travel per gallon?
b.) what is the slope of the graph?

Is the power produced directly proportional to the wind speed, give reasons for your answer?

What is the difference between the equations of a vertical and a horizontal line?

These tables represent a quadratic function with a vertex at (0, -1). what is the average rate of change for the interval from x = 9 to x = 10?