What is the answer to this question? r/3.2=5.9

I need to figure out what the r is.
Thank You!
- Failed

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.

10 ! in a race, nick is 50 feet in front of jay after ten seconds. how fast can nick run, if jay can run 20 feet per second?

Solve this and show you’re work step by step ! -5 3/4+3h< 9 1/4 -