For this case we have the following expression:

The terms are not similar, so they cannot be added.
<em>Examples of similar terms:</em>

Then, the expression given can only be rewritten as:

This is taking common factor 2 to both terms.
Answer:

Answer:
Well, if the grip is 75 x 75, you can rule out that the grid is 75 squares in each border.
Step-by-step explanation:
75 x 75 = a x b
a= horizontal side lengths
b= vertical side lengths
Rule that a= 75 squares and b= 75 squares.
Answer:
Hope this helps, if you have any more issues with graphing I recomend Desmos graphing calculator.
Answer:
1, 3, 6, 10, 15, 21, 28, 36, 45, 55, 66, 78, 91
Step-by-step explanation:
The meaning of the 0 in this situation is that the 0 is there as a place holder. It is there to support the 1 so it has a bigger value instead of just 1.