In general, how does the least-squares fit line relate to the points on the scatter plot?

The speed of a falling object increases at a constant rate as time increases since the object was dropped. which graph could represent the relationship betweent time in seconds, and s, speed in meters per second? speed of a falling object object over time

If f(x)= 3x+6 which of the following is the inverse of f(x)

Which ordered pair is a solution of the equation? 2x+3y=10