13. The roof of a clock tower is a pentagonal pyramid. Each side of the base is 7 ft long. The sian
height is 9 ft. What is the area of the roof?

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}

What are the equivalent ratios for 24/2= /3= /5.5=108/ = /15