Answer:
Cylinder and 6 units
Step-by-step explanation:
Step-by-step explanation:
is the number of unit squares that cover surface of a figure.
If the last one is supposed to be 7(8+3), it would be equivalent to 56+21
Step-by-step explanation:

In this type of math equation, you have to multiply all members from the first part with the second part.
Expanded:

simplified:
