Answer:
81(x + 2y)(x - 2y)
Step-by-step explanation:

Answer:
0.75
Step-by-step explanation:
The given sequence is an AP , as the difference of all the terms is same

Answer:
30
Step-by-step explanation:
-54/-3 = 18
18+12 = 30
You have to go through your x-axis and up or down you y-axis and then determine if the end point are on the right plot form