Answer:
a
Step-by-step explanation:
The circumference (C) of a circle is calculated as
C = 2πr ( r is the radius ) , then
C = 2π × 20 = 40π
Answer:D
Step-by-step explanation:
Answer:
.
Step-by-step explanation:
I gotchu
Factor
49x2 -36y2
=(7x+6y)(7x-6y) < answer
<span>here is what i get :
x/3+11-(1/15)=0 </span>