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:
r = 6cm
Step-by-step explanation:
Solve for r:


Answer:
A = 1, B = 0, C = 7
Step-by-step explanation:
The egg follows the path x = 7, so the equation is ...
1x +0y = 7
A = 1, B = 0, C = 7
The lines that intersect is B