Answer:
Rick is correct
Step-by-step explanation:
Answer:
First blank: 5
Last blank: 20
Step-by-step explanation:
Going by the hint that is shown:

c = 1
r = 5
and

c = 4
r = 20
Hope this helps!
We have the next number

The expanded form of the number is

Also, we can verify that Alex was incorrect because if we do the sum of the expanded form that Alex calculated we obtain

Finally, the correct answer is
Answer:
54 cm²
Step-by-step explanation:
The net of the 3 cm cube has 6 squares, each of which is 3 cm on a side. The area of each is (3 cm)² = 9 cm², so the total area is ...
6×9 cm² = 54 cm²