You are an excellent investor and have averaged a 12% rate of return over the last 20 years. over the same time period, inflation has averaged 3.2%. what is the real rate of return you have earned on your investments?

2standard deviation a particular telephone number is used to receive both voice calls and fax messages. suppose that 25% of the incoming calls involve fax messages, and consider a sample of 25 incoming calls. (a) what is the expected number of calls among the 25 that involve a fax message?

Select the correct text in the passage.which sentences in the given passage explains the limitations of monetary policies? monetary policies - limitationsmonetary policies are set by the central bank to bring about growth in the economy.de can be achieved these policiesw at anden i sca poit would be fair to say that changes in the economy cannot be brought about instantly by monetary po des.monetary policy can only influence not control, economic growththe monetary policy makers do work on sining the perfect balance between demand and supply of money in the economy

When a company produces and sells x thousand units per week, its total weekly profit is p thousand dollars, where upper p equals startfraction 800 x over 100 plus x squared endfraction . the production level at t weeks from the present is x equals 4 plus 2 t. find the marginal profit, startfraction dp over dx endfraction and the time rate of change of profit, startfraction dp over dt endfraction . how fast (with respect of time) are profits changing when tequals8?