Answer:
254
Step-by-step explanation:
first find the diameter of the big circle by adding the 2 founded numbers
which is 18
then the Radius = 9
to find area,

which is

Answer:
2.5
Step-by-step explanation:
You can do this in an easier way than you may be thinking. You know that 1/000 is 1 mm, therefore to get 2,500, you multiply it by 2.5.
Answer:
-216 x^3
Step-by-step explanation:
(-6x)^3
This is really (-6x)* (-6x) * (-6x)
-216 x^3
Answer:
60
Step-by-step explanation:
4 = 1
1 = 60
Answer: 249 m^2
Step-by-step explanation: