Which value of g makes the expression true? (x+7)(x-4)=x^2+ga-28

Petes dog weighed 30 pounds it then lost 16% of it's weight how much did pete lose

Subtract and simplify. (-y^2 – 4y - 8) – (-4y^2 – 6y + 3) show how you got the answer if your answer is right i will mark you

Vertical angles must check all that apply