Find the ratio of the circumference of a circle with radius 1. 125 to the circumference of a circle with diameter 2. 25. Express your answer in the form $a:b$ where $a$ and $b$ are relatively prime positive integers.

Increasing line of siam top trave increasing line of sight and path of travel is good idea when driving at higher speeds because it a driver to remain prepared

17 a tourist was planning a trip by car for travelling at some constant speed for 2.5 hours. however, he found that if he increases the speed by 20 km/h he can cover the same distance in 30 minutes less time than it was planned. what was the planned speed of the tourist, in km/h?

Living organism in our word are connected to other variety of ways