In the figure above, xyz is equilateral, with side of length. if wy is a diameter of the circle with center o, then the area of the circle is
(a) √3π/4
(b) 2π/3
(c) 3π/4
(d) π
(e) 3π/2

Astandard american eskimo dog has a mean weight of 30 pounds with a standard deviation of 2 pounds. assuming the weights of standard eskimo dogs are normally distributed, what range of weights would 99.7% of the dogs have? approximately 26–34 pounds approximately 24–36 pounds approximately 28–32 pounds approximately 29–31 pounds

Maria walks a round trip of 0.75 mile to school every day. how many miles will she walk in 4.5 days

Koji is installing a rectangular window in an office building. the window is 823 feet wide and 534 feet high. the formula for the area of a rectangle is a=bh. what is the area of the window? enter your answer as a mixed number in simplest form in the box. $$ ft2