A circle containing the point (4,1) has its center at (1,5). Complete the description of the changes in the
circumference and the area of the circle if the radius is multiplied by 2. Enter circumference and area in
terms of .
The circumference is doubled to
units. The area is
The radius of the original circle is
quadrupled to
square units.

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.

8000 + 8800 + 8000 + 8 million + 80 trillion + another a katrillion equals

The krasnapolski is a top-of-the-line hotel in amsterdam, the netherlands. among their many services, they rent bicycles to guests. the bicycle checkout is open 24 hours per day 7 days per week and has 50 bicycles on hand. on average, 10 guests request a bicycle each day, arriving completely randomly at all times of the day during the spring and summer seasons. guests keep bicycles for four days on average, with a standard deviation of two days. how long does a guest on average have to wait for a bike? a. approximately 24 hours b. approximately 0.033 hours c. approximately 4 days d. approximately 47 minutes