Answer:i think its the first one
Step-by-step explanation:
Nothing else makes sense
Answer:
x = -7/4, 3
Step-by-step explanation:
Use quadratic formula
the radius: r^2 = 81
r =9
c = 2*pi*r
= 2 * pi * 9
= 18 *pi
Answer: 18*pi or approximately 56.62
So it would be 3s + 7s + 11s + 15s + 19s + 23s + 27s. Hope this helps
