Put in order from heaviest to lightest. Explain 8/9 pound, 2/8 pound, 2/7 pound, 7/9 pound, 3/6 pound

Ireally need subtract and simplify.(-y^2 – 4y - 8) – (-4y^2 – 6y + 3)show your work, ! i will mark you brainliest but you have to show your work.

What number should be added by both sides of the equation to complete the the square? x^2-10x=7

Ms. wilson draws a model of the factorization of a polynomial with integer factors. her model is partially complete.|5n40which equation is represented by ms. wilson's model? 12+ 3n+ 40 = (n -8)(n-5).2 + 130 + 40 = (n +8)(n+5)2 + 40n + 13 = (n + 8)(n+5)2 + 40n + 3 = (n -8)(n-5)oooinimi