Why would experimental probability differ from theoretical probability?

Me write an equation for the interior angles of this triangle that uses the triangle sum theorem

Two parallel lines are crossed by a transversal.what is value of x

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.