Which statement about the figures shown below is true? PLS HEP ASP BEST GETS FOLLOW AND BRAINLIEST

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 check if i did this right since i really want to make sure it’s correct. if you do you so much

Solve the equation below: (x+4)/6x=1/x a. x=2 b. x=0,2 c. x=-2 d. x=0,-2