you want to have $5,000 to put toward a down payment on a car in four years. Approximately how much would you need to invest today in an account bearing 6% interest compounded quarterly?

The weight v of an object on venus varies directly with its weight e on earth. a person weighing 120 lb on earth would weigh 106 lb on venus. how much would a person weighing 150 lb on earth weigh on venus?

If tan2a=cot(a+60), find the value of a, where 2a is an acute angle

An ant travels at a constant rate of 30cm every 2 minutes.at what speed does the ant travel per minute