Reflect the point (2,3) across the y-axis. What is its image?

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.

Rounded to the nearest tenth, what is the value of x

The dimension of the rectangular pool shown below are 40 yards by 20 yards