Express warranties are not now regulated under federal law

Balanced transportation problems have which of the following type of constraints?

A) ? B) ? C) = D) <

Under one doctrine, a person who understands the danger inherent in an activity cannot recover damages in the event of injury from the activity. This doctrine is called the

A) contributory negligence doctrine. B) assumption of risk doctrine. C) comparative negligence doctrine. D) fellow servant doctrine.