Mr. Brown is going to start sleeping an extra 30 minutes each night. If d
represents the number of days, which of the following expressions shows how many more hours of sleep Mr. Brown will get in a week?

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.

Planning for the possibility that your home might get struck by lighting and catch on fire is part of a plan

Which of the points a(6, 2), b(0, 0), c(3, 2), d(−12, 8), e(−12, −8) belong to the graph of direct variation y= 2/3 x?