Identify the factors of 15ab + 35a − 6b − 14. (5a − 2)(3b + 7)
(5a + 2)(3b − 7)
(5a − 7)(3b + 2)
(5a + 7)(3b − 2)

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 if i did this right since i really want to make sure it’s correct. if you do you so much

The figures below are made out of circles, semicircles, quarter circles, and a square. find the area and the perimeter of each figure and give your answers as a completely simplified exact value in terms of π (no approximations).