What is the lcm of 15 and 10 multiplied by the lcm of 6 and 20

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.

What describes horizontal cross section of the right rectangle 6m 8m 5m

What makes a trapezoid an isosceles trapezoid?