Marcus and his family had spent 1/2 of their vacation visiting relatives and another for 12 of it at the beach. What fraction of the vacation did Marcus and his family spend either with relatives or at the beach?

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.

Acyclist bike x distance at 10 miles per hour .and returns over the same path at 8 miles per hour.what is the cyclist average rate for the round trip in miles per hour ?

Aline passes through the point (–7, 5) and has a slope of 1/2 which is another point that the line passes through?