If he donated $60 to each charity, how much money did he receive for his birthday

What is the percent of increase for a population that changed from 438,000 to 561,000

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.

Use set buikder notation to represent the following set: {, -2, -1, 0}