A line with a slope of 2 passes through (3,9). Which choice is an equation of this line?

1. y - 3 = 2 (x - 9)
2. y + 9 = 2x + 3
3. y - 9 = 2 (x - 3)
4. y - 9 = 2x - 3

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?

Find the unit rate for: 75% high-fiber chimp food to 25% high -protein chimp food.

An ant travels at a constant rate of 30cm every 2 minutes.at what speed does the ant travel per minute