Answer: a) Yes b) Polygon ABCD ~ Polygon EFGH c) JKLM is 3x bigger than polygon ABCD
Step-by-step explanation:
(for part c)
JM= 36
AD= 12
36/12= 3
JKLM is 3x bigger than polygon ABCD
I would say that the answer is probably 40
15 + 6(x + 1)
First, expand to get rid of parentheses.
Second, simplify. Keep your 6x and add 15 + 6.

Answer:
6x + 21