Answer:
The answer is
<h2>18</h2>
Step-by-step explanation:
a ∆ b = a² + ab + b²
(3 ∆ 2)
a = 3 b = 2
(3 ∆ 2) = 3² +3(2) + 2²
= 9 + 5 + 4
= 9 + 9
= 18
Hope this helps you
I think the answer would be 90 students were taken on the trip. I may be wrong, so wait for more answers to come in!
Die haben sich auch schon in den nächsten Jahren und in den letzten Wochen nicht so viel 5=5