In a study of feeding behavior, zoologists recorded the numb…

In a study of feeding behavior, zoologists recorded the number of grunts of a warthog feeding by a lake in the 15 minute period following the addition of food. The data showing the weekly number of grunts and the age of the warthog (in days) are listed below. Find the value for the coefficient of determination.  

In order to replace a piece of equipment, a construction com…

In order to replace a piece of equipment, a construction company needs $120,000 in six years.  The company wants to pay cash for the equipment at that time.  How much should the company invest each month, if the investment account earns at a rate of 4.9% compounded monthly? Round to the nearest cent.