Answer:
Step-by-step explanation:
1 ring has a radius of 3 feet
1 ring has a circumfrence of 2*pi*r = 2 * 3.14 * 5 = 10*Pi
5 rings would have a length of 50 * pi length = 50*3.14 = 157 feet
That's a lot of Brillo pads.
Step-by-step explanation:
Solution file attached
Answer:
3y+x
Step-by-step explanation:
commutative property :
a+b=b+a
Similarly:
x+3y=3y+x