The radius of a spherical balloon is increasing at the rate of 0.4 cm divided by minute0.4 cm/minute. how fast is the volume changing when the radius is 7.47.4 cm?

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.

3x = 729 solve for x plz . it's urgent. will mark

If set d is not the empty set but is a subset of set e, then which of the following is true? d ∩ e = d d ∩ e = e d ∩ e = ∅