You can use a number line to add and subtract
Answer:
The distance between the pair of points is 12.0 (to the nearest tenth)
Step-by-step explanation:
The distance between a pair of points in a coordinate system is found by the formula:
d =
where, the points are:

From the graph,

Substitute the points into the formula:

20 and 8 make a product of 160
and their difference is 12
2x+6y+(9x-6y)=20+24
11x=44
X=4
Y=2
I hope this helped!
Answer:
the answer is 1
(-4-(-2)) divided by (-3-(-1))