What number should be added to both sides of the equation to complete the square?

x2 – 6x = 5

Astick 2 m long is placed vertically at point b. the top of the stick is in line with the top of a tree as seen from point a, which is 3 m from the stick and 30 m from the tree. how tall is the tree?

Acone with volume 1350 m³ is dilated by a scale factor of 1/3. what is the volume of the resulting cone? enter your answer in the box. m³

Which of the following shows the length of the third side, in inches, of the triangle below