Answer: The answer is 144 I believe
The point-slope form:

- slope
- point
We have the point
and the slope 
Substitute:

Answer:
2.2 degrees per hour
Step-by-step explanation:
22/10=2.2
Elena packed 48 cubes.
Each cube has an edge of 1 centimeter.
The number of layers that Elena can make depends on how each layer is arranged and depends on how many cubes are there in a layer.
Assume that each layer has only 1 cube, then there are 48 layers.