Marking brainliesttt
is a. the correct answer?

Write as a product of 2 binomials and a monomial (factor out as much as possible from each binomial). ! i do not understand, any is appreciated : ) whoever gets the best answer recieves brainliest and points! (4x–12x²)(16y³+12y²)

Write numerical coefficient of y² in the expression 2x² - 15xy – 7y²

Is the number 128.439 a rational number