A hubcap has a radius of 14 centimeters. What is the area of the hubcap?Round your answer to the nearest hundredth. Use 3.14 for π.

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?

What are “like terms”? why can we only add like terms?

If the sales price of a dvd is $20 and the markup is 34%, what is the cost of the dvd?