A government agency has estimated that a floodcontrol project has costs and benefits that areparabolic, according to the equation: (PW of benefits)^2 - 5(PW of costs) + 10 =0

where both benefits and costs are in the same unit. What is the present wort h of costs for the optimal project?

Which one of the following statements is true? ddt does not prevent disease from passing from agricultural animals to humans. cost was a major factor in the united states government's decision to ban ddt. many african governments concluded that the potential long-term health effects of ddt were not as serious as the immediate problem of insect control. ddt cannot accumulate in the fat of animals. the ddt ban in the united states has made it very difficult to control agricultural insect pests.

Why is it easier for new entrants to get involved in radical innovations when compared to incumbent firms? a. unlike incumbent firms, new entrants do not have to face the high entry barriers, initially. b. new entrants are embedded in an innovation ecosystem, while incumbent firms are not. c. unlike incumbent firms, new entrants do not have formal organizational structures and processes. d. incumbent firms do not have the advantages of network effects that new entrants have.

To determine her power usage, samantha divides up her day into three parts: morning, afternoon, and evening. she then measures her power usage at 3 randomly selected times during each part of the day.