The distribution of the gas mileage of a fleet of Cars is shown in the following chart. (Miles per gallon= Number of cars) [28, 2] [29, 3] [30, 8] [31, 5] [32, 2]

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.

Astudent simplified a rational expression as shown.

The construction of copying qpr is started below. the next step is to set the width of the compass to the length of ab. how does this step ensure that a new angle will be congruent to the original angle? by using compass take the measures of angle and draw the same arc according to it.