A) For each year that kevin has had the tree, it grew 1 foot. Therefore for every 1 year that passes, kevin’s tree grows 1 foot.
B) 5+T= H
1. In each graph, the two lines are parallel to each other.
2. Each set of equations have the same slope.
3. Equations that have the same slope as each other will always be parallel to each other.
So,
We know that we cannot add or subtract quantities of the same kind.
-18xy can only be added/subtracted to 4yx, which is the same as 4xy. The result would be -14xy, or -14yx.
The correct option is B.