Question

answer the question
I will mark as brainlist​

Answer 1

Answer:

7

Step-by-step explanation:

$\frac{2.70 \times 2.70 + 4.30 \times 4.30 + 8.60 \times 2.70}{2.70 + 4.30} \\ \frac{7.29 + 18.49 + 23.22}{7} \\ \frac{25.78 + 23.22}{7} \\ \frac{49}{7} \\ 7$

Hope it helps!!