Natasha has a $50 gift certificate to the jewelry store. She has chosen several bracelets that are $20 each. If the cost of the bracelets is $30 after the gift certificate is credited, how many bracelets did Natasha buy?

According to the normal model, what percent of receivers would you expect to gain fewer yards than 2 standard deviations below the mean number of yards

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?

The sum of the reciprocal of a positive number and the reciprocal of 2 more than the number is 3/4 equation: the number is