How many lines can be drawn between two distinct points?

Can someone answer it, and plot it, for 20 points and brainliest answer? p.s. they're the same ! : )

You can ride your bike around your block 6 times and the whole neighborhood 5 times in 16 minutes. you can ride your bike around your block 3 times and the whole neighborhood 10 times in 23 minutes. how long does it take you to ride around the neighborhood?

In which direction does the left side of the graph of this function point? f(x) = 3x3 - x2 + 4x - 2