I have a very hard question if I get it right it brings up my grades. Please help me it's timed.

Write a polynomial that fits the description: a third-degree polynomial with leading coefficient -4

Pls if a cow has a mass of 9×10^2 kilograms, and a blue whale has a mass of 1.8×10^5 kilograms, which of these statements is true?

In which form is the following function written? y = - 2(x – 3)(x + 5)