12x² - 3.5y + 10y + 1.5x² + y Combine like terms
13.5x² + 7.5y
The next is 36!!!! If you notice each time, you are adding by two more than what you were adding before. Like, 1+3=4 4+5=9 9+7=16 See?
So, 25+11=36
It doesn't say anything about him.
Answer:
There is no common difference
Step-by-step explanation:
4 9 13 18
diff 5 4 5
Because the difference between 9 and 13 is 4
and the difference in the other terms is 5
there is no common differeence