Answer:
r = 
Step-by-step explanation:
We simply are rearranging C= 2πr in terms of <em>r</em>. We just divide 2π on both sides.
Answer:
(x+2)(x+1)=0
so x = -2,-1
Step-by-step explanation:
Answer:
prime Number
Step-by-step explanation:
because 2 can be only divided by itself and one
Answer:
Step-by-step explanation:
both represent the same line .
Hence it has infinite solutions as there are infinite points on aline.
Just divide both sides of the equation by -12 and you get your answer. Hope that helped!