Determine the magnitude of the vector sum v = v1 v2 and the angle θx which v makes with the positive x-axis.

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.

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What is the length and width of a 84.5 square foot rug? will mark