Which second degree polynomial function has a leading coefficient of 2 and roots -3 and 5?

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?

F(x)=x/2-2 and g(x)=2x^2+x-3 find (f+g)(x)

Factor x2 – 8x + 15. which pair of numbers has a product of ac and a sum of what is the factored form of the