Answer:

Step-by-step explanation:
Given
See attachment
Required
Determine the surface area
The figure is made up of two cuboids and the surface area of a cuboid is:

Because the bottom part of the upper piece is not visible, the area is calculated as:

This gives:


For the bottom piece:
We calculate its area as
. However, the area of the invisible part will be subtracted.
So, we have:


The total surface area is:


Answer:
1) c. 11
Step-by-step explanation:
2) b. 4x² + 4
I hope these are correct its been a while since ive done these.
Answer:
parents
Step-by-step explanation:
ask them for it
Factors of 26 are 1, 2, 13, 26 all you have to do is figure out which numbers can go until a number and in this case the number is 26.