What is a VERTEX? * Where the parabola crosses the X-axis
Where the parabola crosses the Y-axis
Where the parabola changes direction
The invisible line that cuts the parabola in half


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.

The frequency table shows the results of a survey comparing the number of beach towels sold for full price and at a discount during each of the three summer months. the store owner converts the frequency table to a conditional relative frequency table by row. which value should he use for x? round to the nearest hundredth. 0.89 0.90 0.92 0.96

Awindow washer cleans 42 windows in 2 hours. at this rate, how many windows did he clean in 180 minutes.