This graph shows how much anthony earns babysitting, compared with the number of hours he works. select the correct statement about the graph.

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.

An airplane travels at an unknown elevation before it descends 3 miles to an elevation of 15 miles. find the elevation of the plane before its descen.

Given: circle o, cd is diameter, chord ab || cd. arc ab = 74°, find arc ca.