Hello.
The correct is answer is 9.
You have to do half of 6 (3) and then square it that equals 9
So it should be <span> x^2 + 6x +9
Have a nice day</span>
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
2(-3n-5)-5(4n-8)
(-6n-10)+(-20n+40)
-26n-30
