Answer:
3
Step-by-step explanation:
As it's a parallelogram the cross splits each diagonal exactly in half, so each half is the same:
-9-6x = x-30
7x=21
x=3
for 8 i think its a b and c sorry if am wrong
The solution is in the attachment
tgere would be 72 slices.
12/1÷1/6
12/1×6/1
72/1
