F(x) = x2 – 8x – 9 , what is the vertex of this function?

What is the length of the segment joining the points at (4,5) and (6,-2) round to the nearest tenth if necessary

Which of the following is the inverse of y = 3∧x y = 1/3∧x y = ㏒3x y = (1/3) ∧x y = ㏒ 1/3∧x

The construction of copying qpr is started below. the next step is to set the width of the compass to the length of ab. how does this step ensure that a new angle will be congruent to the original angle? by using compass take the measures of angle and draw the same arc according to it.