Well you could count by threes and Fives and see your answer, 3,6,9,12,15, and so on and fives 5,10,15 and you have one match. 18, 21, 24, 27, 30 and 20, 25, 30. Two matches. They will blink at the same time about six times.
Hello!
If this square pyramid originally had a volume of 180 in³, and it is multiplied by ten, we add a zero and get 1800 in³.
I hope this helps!
I’m not sure but you could probably look it up to see what it is
Hello,
ρ=√(4²+3²)=5
tan θ=-3/-4=3/7
==>θ=216,869897...° (since θ is in the III quadrant)≈216.9°
Answer C