Henry and David have played 35 tennis matches. Henry has won 20 times.
David won the rest.
a) Estimate the probability that Henry wins.
b) Estimate the probability that David wins.

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?

Marcus needs to rewrite f(x) = x2 + 6x + 4 in vertex form.

What is the length and width of a 84.5 square foot rug? will mark