A 126-inch board is cut into two pieces. One piece is two times the length of the other. Find the length of the shorter piece.
The shorter piece is
inches long.

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.

If f(x)=3x+1 and f^-1=x-1/3, then f^-1(7)=

What is the value of x in the following equation. -x ^3/2 = -27