16. 4 (9*4=36)
17. 6 (6*11=66)
18. 8 (10*8=80)
19. 9 (9*5=45)
20. 48 (4*12=48)
21. 13 (13*2=26)
Answer:
24 minutes for 3 large arrangements
54 minutes for 9 small arrangements
6 minutes for each small arrangement
8 minutes for each large arrangement
Step-by-step explanation:
hope this helps!
Answer:
A =12.56 units^2
Step-by-step explanation:
The area of a circle is found by
A = pi r^2
We know the radius is 2
A = pi (2)^2
A = 4pi
Using 3.14 as pi
A = 4(3.14)
A =12.56 units^2
Multiply num and dem by 2 each to get 8/20
