Bro help me please I really don’t know how to solve this I only have 30 points and I’ve been trying all day whoever solves this question I’ll give brainlest and I’ll appreciate it so much

The physical fitness of an athlete is often measured by how much oxygen the athlete takes in (which is recorded in milliliters per kilogram, ml/kg). the mean maximum oxygen uptake for elite athletes has been found to be 60 with a standard deviation of 7.2. assume that the distribution is approximately normal.

How many lines can be drawn through points j and k? 0 1 2 3

Average acceleration: i have no idea how to do this.