Consider the quadratic function: f(x) = x2 – 8x – 9 vertex: (-b/2a, f(-b/2a)) what is the vertex of the function?

Plzzzz i beg u asap ! what is the equation of this graphed line? enter your answer in slope-intercept form in the box.

Which inequality comparing two of the expressions is true when 0.7 < x < 0.9

Louis wants to carpet the rectangular floor of his basement the basement has an area of 864 square feet the width of the basement is 2/3 its length what is the length of lewis's basement