4 people email 3 more people each so 12 people are emailed, then these 12 people email 3 more people each, so 36 people are emailed.
Answer:
Step-by-step explanation:
There are two positive slopes on the opposite side for E and F, while there are two negative slopes on the opposite sides for G and H.
Answer:
40
Step-by-step explanation:
it would be 20 too but there is no opition for this i hope i helped