The answer for this is 3(k+6)^2 u need to factor this so use magic X
Answer:
You find the area of all the faces of the square pyramid, then add them together to get the surface area.
Step-by-step explanation:

The answer is $162 you take the prices of what she bought and add them together which is $73+$38+$64=$180
then you subtract the $180 from $342 which is $342-$180=$162
so the answer is $162