There are 500 500500 students in a high school senior class. Of these 500 500500 students, 300 300300 regularly wear a necklace to school, 200 200200 regularly wear a ring, and 125 125125 regularly wear a necklace and a ring. Using this information, answer each of the following questions. Let N NN be the event that a randomly selected senior regularly wears a necklace and R RR be the event that a randomly selected senior regularly wears a ring.

The blue whale is the largest animal living on the earth. the average blue whale measures 100 feet long (30 meters) and weighs 300,000 pounds (136,000 kilograms). a whale’s head is 1⁄3 of the length of its body. a new baby whale is 1⁄4 the length of a grown whale. the average man is 1⁄17 the length of a blue whale, and 1⁄1,818 its weight. a human baby measures 1⁄4 of the length of an adult. calculate the following information: how long is a whale’s head? how long is a new baby whale? how tall is the average man? how much does the average man weigh? how tall is the average human baby?

Aplane is taking off from bangladesh headed to new york city. at the same time, a plane from new york city is headed to bangladesh is also taking off. the plane bound to new york city is traveling at 600 mph, while the plane traveling to bangladesh is traveling at 400 mph. how far from new york city will the two planes meet if the distance between new york city and bangladesh is 8,000 miles?

Aphrase is shown read the phrase and give me the answer