Jason and jenny are out on a lunch date. jason gives jenny a bouquet that has 4 roses, 3 carnations, and 4 orchids. they decide that jenny gets to choose their lunch order if the flower she randomly picks from the bouquet is a carnation or a rose. what is the probability that jenny gets to choose lunch?

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.