How many joules of work are done against a cart when a force of 50N pushes it 1000m anway

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.

Answer question above and explain each step : )

What is the area of the trapezoid shown ?