it takes 3 2/5 kilometers of thread to make 3 4/5 boxes of shirts how many kilometerz of thread will it take to make 5 boxes

Find the perimeter of the triangle with vertices  d(3, 4),  e(8, 7), and  f(5, 9). do not round before calculating the perimeter. after calculating the perimeter, round your answer to the nearest tenth.  

Mr. vector door is buying two new cowboy hats all together the hats cost $75.12 the second heart cost twice as much as the first hat what is the price of the more expensive at round to the nearest hundredth

Two years ago a man was six times as old as his daughter. in 18 years he will be twice as old as his daughter. determine their present ages.