Arunner passes the 12-mi point after 2 hours and reaches the 15-mi point 30 minutes later. assuming a constant rate, find the speed of the runner.

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.

What is the value of x in the equation7x+2y=48 when y=3

The scatterplot represents the total fee for hours renting a bike. the line of best fit for the data is y = 6.855x + 10.215. which table shows the correct residual values for the data set?