What is the value of b in the equation

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.

What is the inverse of the function f(x)=4x+8

Write the sentence as an equation. z plus 372 is equal to 160