Write all the factors of 20 according to notation

Find the third,fifth and seventh term sequence described by each rule a(n)=n+1

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 radical expression is a rational number? a. √ 360 b. √ 644 c. √ 225 d. √ 122