Acar is traveling on a highway. the distance (in miles) from its destination and the time (in hours) is given by the equation d=420-65t what is the slope of the line represented by the equation? what is the practical meaning of the slope?

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.

How to use order of operation in 20 divide by 4 multiply 5 = 1

Ellen makes and sells bookmarks. she graphs the number of bookmarks sold compared to the total money earned. why is the rate of change for the function graphed to the left?