A company that usually sells satellite TV equipment for $88 and two years of satellite TV service for $792 has a special, time-limited offer in which it sells the equipment for $490 and gives the two years of satellite service for “free.” If the company sells one of these packages on July 1, how much revenue should the company recognize on July 1 when it delivers the equipment and receives the full price in cash?

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?

Ten times the square of a non-zero number is eqaul to ninety times the number

What percent of 18 is 24? and plz explain thx.