In a class, 12 kids are wearing brown shoes and 8 kids are wearing black shoes. Complete the ratio to compare the number of kids wearing brown and black shoes. Then put the ratio in simplest form. ​

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.

Which of the following represents the range of the graph of f(x) below

What is the lcm of 16 and 40 ? 24 and 40 ?