A cube of side 12 cm is painted red on all the faces and then cut into smaller cubes, each of side 3 cm. What is the total number of smaller cubes having none of their faces painted?

16

8

12

24

Correct Answer : B

The distance between the points (-4, 5) and (-4, -15) is

The distance between the points (-7, 5) and (-7, -20) is

What is the slope of the line given by the equation 4g - 5 = 7 - 2e?