How many cubes with an edge length of 1/2 inches are needed to fill a rectangular prism that is 2 in by 2 in by 3 in? HEL

Acircle has the equation (x-2)^2 +y^2 =5. what are the coordinates of the circle's center?

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.

Can someone show me step by step how to do this?