Nine cubes are glued together to form the solid shown in the diagram. The length of the edge of one cube is 2.75 millimeters. What is the surface area, in square millimeters, of the solid?

the correct answer is b.

this is because an open circle means < or > & since the line goes left it is < -3.

the next one has a filled circle so it can only be ≥ or ≤ and since the line goes right from 1 it is ≥ 1

hope that

6 cars because if you have 8 and subtract 2 youll have 6 left over

24

step-by-step explanation:

you just have to add the 15 + 9 to get 24

you do this bc you want to find the total of the whole line and those two numbers make up the line