Answer:
y=1x-9 That's the equation if you're trying to figure that out and the slope would be 1/1
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
.21 as a fraction would be 21/100
Answer is C
Hope that helps
2^2a^2+b^2
4a^2+b^2
not sure if this is correct but here ya go
