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
Answer:n=-2 or n=4
Step-by-step explanation:
Q is not inversible if det(Q)=0

Answer:
508.4
Step-by-step explanation:
This is on delta math
Answer:
0.8
Step-by-step explanation: