What is the surface area of a rectangle 3 m long 1 m wide and 2 m at the bottom

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 expressions is equal to 2x^2+8

How do i make someone brainliest? (if you answer me, i might be able to make you brainliest! )