Answer:
(-3,3)
Step-by-step explanation:
One minute later at 8:01pm. One lighthouse will flash 3 times (at 20, 40 and 60 seconds)...the other will flash twice (at 30 and 60 seconds). So they will both flash 60 seconds later, at 8:01
1 is the answer to your question hope this helps
Answer: 1
Answer: Look you have a website called symbolab and another called desmos for this stuff.
Step-by-step explanation:
I was to tired to write it down
