Evaluate each expression if a=6, b=3, and c=2.

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.

Anyone know? will mark brainliest if correct

Which expression shows the sum of the polynomials with like terms grouped together