What’s is this answer i need asa ill really appreciate it

Write the expression 7x^3-28xy^2 as the product of 3 factors

Micheal is 4 times as old as brandon and is also 27 years older than brandon. how old is micheal

Will give brainliest b. describe the function over each part of its domain. state whether it is constant, increasing, or decreasing, and state the slope over each part.