A9 foot pole casts a 12 foot shadow, what is the distance between the top of the pole and the end point of the shadow?

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.

Which conjunction is disjunction is equivalent to the given absolute value inequality? |x+2|< 18

What situation is an example of an observational study