If the two triangles are similar, what is
the length of the missing side, x?

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.

School has 204 sixth grade students. if the sixth grade is 30% of the total school, how many students are in the middle school?

The functions f(x) and g(x) are shown in the graph f(x)=x^2 what is g(x) ?