Anthony wants to know how long it will take an investment 800 To earn 160 In interest of the yearly interest rate is at 5% paid at the end of each year

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.

Find the roots of the equation below. x^2 - 6 + 9 = 0

What is the range? can’t seem to find it out