In a 3-digit number, the hundreds digit is four more than the units digit, and the tens digit is twice the hundreds digit. if the sum of the digits is 12, find the three digits. find the number.

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 number should be added to both sides of the equation to complete this square? x^2-10x=7

Solve the inequality and graph 6j - 7 < 5