If the height of the triangle is 4 cm, the base is 5cm, and the diagnal length is 6.4 cm what would be the doubled perimeter?

All per-unit concepts rely on ratios,meaning,to provide a type of measurement

Which value is not a solution of 8x^3 – 1 = 0

Two cars which are 40 miles apart start moving simultaneously in the same direction with constant speeds. if the speed of the car which is behind is 56 mph and the speed of the other car is 48 mph, how many hours will it take for the car which is behind to catch up the car ahead of it?