2. In the month of November Sarah donates money to charity every 6th day, and volunteers every 3rd day. In 30
days, how
many times will she have volunteered and
donated money on the same day?

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 is the solution to the system of equations? y=1.5-3 y=-x

For the right triangle shown, the lengths of two sides are given. find the third side. leave your answer in simplified, radical form.