Which is the completely factored form of 4x2 + 28x + 49? (x + 7)(4x + 7) 4(x + 7)(x + 7) (2x + 7)(2x + 7) 2(x + 7)(x + 7)

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?

Given: ac and db are diameters. m∠3=

How many $20 bills do you need to have to make $280