Circle a has equation (x+5)^2+y^2=169. the diameter of circle b is one fourth as long as the diameter of circle a. what is the radius of circle b?

a. 6.5
b. 13
c. 3.25
d. 26

Suppose a man is heterozygous for heterochromia, an autosomal dominant disorder which causes two different‑colored eyes in an individual, produced 25‑offspring with his normal‑eyed wife. of their children, 15 were heterochromatic and 10 were‑normal. calculate the chi‑square value for this observation.

Can someone answer it, and plot it, for 20 points and brainliest answer? p. s. they're the same ! : )

If you could answer these your a life saver