Solve for this math problem.. 879 times 8799 divided by 67. also am i ugly bc honestly me and most ppl think im ugly?

I've never been good at math he told he loves but he keeps cheating on me, so it ain't adding up sis

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 equation of the graph below? y=sec(x)-4