there is a 40% chance that the randomly selected child will have a speaking part.
3 x 5 x 13
find the factors of 195 that are prime numbers.
1. you know that the high-speed camera is ready to film him between 15 meters and 10 meters above the ground.
2. the problem gives you the following equation:
3. therefore, you must calculate the time when and when , as following:
4. therefore, the answer is: