The perimeter of a rectangle equals the sum of the lenghts of its four sides. If the width of a rectangle is 3[..]

An investor invested a total of 3,500 in 2 mutual funds.One earned a 8% profit while the other earned a 4% profit.[..]

The cost of driving a car includes both fixed cost and mileage costs.Assume that it cost $153.70 per month for[..]

A tugboat goes 140 miles upstream in 10 hours. The return trip downstream takes 5 hours. find the speed of the[..]

Find the slope, if it exist, of the line containing the pair of points (-7,-13) and (-19,-20).

A barrel contains 196 gallons of paint and is being drained at a constant rate of 7 gallons per minute. Write an[..]

A ball is thrown upwards from the ground level withan initial velocity of 108 ft per. second. It's height h in feet[..]

ten years ago a man was three times as old as his godson.in six more years the godfather will be twice as old as the[..]

a man is twice as old as his son.twenty years ago,the father was four times as old as the son.find the age of each now.

Janice can now the lawn in 2 hours. Her friend can now the same lawn in two hours. How long would it take them to[..]