It would be the girls because 7 divided into 21 equally is 3. So there will be 7 groups of 3 girls.
Answer:
10.3727253..., irrational
Step-by-step explanation:
An octagon has 8 sides. Each side is given as 2a + 1
Perimeter = 8(2a + 1)
= 16a + 8
Answer: 16a + 8
