A long distant runner started on a coarse at an average speed of 9 mph. Half an hour later, a second runner began the same course at an average speed of 12 mph. How long after the second runner starts will the second runner overtake the first runner?

Suppose that the price p (in dollars) and the weekly sales x (in thousands of units) of a certain commodity satisfy the demand equation 4p cubedplusx squaredequals38 comma 400. determine the rate at which sales are changing at a time when xequals80, pequals20, and the price is falling at the rate of $.20 per week.

If the probability of an event happening is 65% then the probability this event does not occur?

Let d be the domain and let ƒ be the possible function. determine if the relation is an example of a function. d = {x| x is a date, expressed in day/month/year} ƒ(x) = temperature in seattle washington on that date