Please help me with this homework

360.

Step-by-step explanation:

You know this because you can look at your Y-line, where the line of best fit starts, and that is also where your Y intercept is. X= 0, as the equation says (0, b), so you know your intercept is along the x=0 line.

not enough information

step-by-step explanation:

we cannot know this, because the other students could have handed out 10 flyers, or they could have handed out 100. one way, the mean would go up, and another way, the mean would go down.

reduce the friction between its moving parts

step-by-step explanation:

in fact, by reducing the friction between the moving parts of the machine, it is possible to reduce the energy wasted due to this friction; therefore, more input energy is converted into useful work, and this will improve the efficiency of the machine.