Answer:
4. Yes
5. Yes
6. No
Step-by-step explanation:
For number 4, the plant is sqrt(16+36) or sqrt52 away from the sprinkler, and the sprinkler's range is sqrt64. Therefore, it is in its range.
For number 5, do the same. it is sqrt(9+49) or sqrt(58) away, and this is also in its range.
For the last one, you can see it up to sqrt625 miles. You are sqrt(361+441) away. This is greater, so it is not in your sight.
