One case of books weighs 35 pounds. one case of magazines weighs 21 pounds. a book store wants to ship 72 cases of books and 94 cases of magazines to another store. what is the total weight of shipment?

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 check my answer? you : )

Ammonia molecules have three hydrogen atoms and one nitrogen atom. how many of each atom arein five molecules of ammonia