If the measure of arc QR is 80, what it the measure of angle PQR?

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.

8. kelly wants to buy a magazine that is $25. later the magazine was marked up an additional 20%. what is the new price?

What three-dimensional solid have 6 rectangular faces, 2 equal bases that are not rectangles and 18 edges