6.3 r less-than negative 45.36 Which graph shows the correct solution? A number line going from negative 77 to negative 67. An open circle is at negative 72. Everything to the right of the circle is shaded. A number line going from negative 77 to negative 67. An open circle is at negative 72. Everything to the left of the circle is shaded. A number line going from negative 7.7 to negative 6.8. An open circle is at negative 7.2. Everything to the right of the line is shaded. A number line going from negative 7.7 to negative 6.8. An open circle is at negative 7.2. Everything to the left of the line is shaded.