B but I'm not as sure though
Circles follow ghe equations
(x-h)^2 + (y-k)^2 =r^2
with center (h,k) and radius r
for this circle it would be
(x-7)^2 + (y-4)^2 = 100
2x + 7 = 3
2x = 3 - 7
2x = -5
x = -5/2
Answer:
L=3w+2...L+w=40... 4w+2=40...w=3/5 and L=30/5