Yancy estimates that the product of a fraction and a decimal is 10. which expression could represent the fraction and the decimal?
a. 1/4 x 41.29
b. 2/3 x 29.4
c. 3/4 x 30.53
d. 5/6 x 62.3

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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 parabola x = y² - 9 opens: a.)up b.)down c.) right d.)left