Answer:
Domain is the values that x can take. In terms of real numbers x can take any value and the function will make sense. Since this is linear function the range is not limited too. So the range and domain coincide and are (-infinity;infinity)
Answer:
5 x 2 x 3.14 = 31.4
Formula of circumference:
radius(half of your diameter or given radius) x pi(3.14 or 22/7 depending on what they tell you to use for pi) x 2(just always there when finding circumference)
Answer:

Step-by-step explanation:
Data
wide=20yd
length=40yd
Hedge area
=
If the area of rectangle is A=base * hight and our case L*W. then:

So 
12 of them are black
2 of them is yellow
2 of them are both