11
subtract 9 to both sides
Its Letter B -0.5
negative because its slope is negative (from left to right it's going downward)
so there are 2 negavite numbers in the choices, -0.5 and -0.95.
The nearer the value to 1 the less scatter it is. The farther the value to 1 (means nearer to 0) the more scatter it is. Because the plot in the picture is mostly scattered the value should be nearer to 0. It is negative 0.5.