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Arjay, Dorothy, Melissa, and Gray live in the same city.

[asy]
size( 200 ) ;

void house( pair ll , Label who ){
draw( ll--ll+(1,0)--ll+(1,1)--ll+(0.5,1.5 )--ll+(0,1)--cycle ) ;
label( who , ll+(0.5,0.5) ) ;
}

house( (0,0) , "A" ) ;
house( (3,2) , "D" ) ;
house( (7,-2) , "M" ) ;
house( (4,4) , "G" ) ;
[/asy]
Arjay and Dorothy live 2 miles from each other.
Dorothy and Melissa live 5 miles from each other.
Melissa and Gray live 3 miles from each other.
Arjay and Gray live 10 miles from each other.
How far do Dorothy and Gray live from each other

Dorothy and Gray live 8 miles apart.

Step-by-step explanation:

With the limited nature of the question, we can assume they all live on a straight lime from one another or that the required distance between their houses to be obtained from this limited information isn't the shortest straight line distance between each and every house.

Dorothy and Melissa live 5 miles from each other.

Melissa and Gray live 3 miles from each other.

This means that, the distance between Dorothy and Gray is the sum of the distance between Dorothy & Melissa and Melissa & Gray = 5 + 3 = 8 miles.

Hope this Helps!!!

sorry not sure

step-by-step explanation:

step-by-step explanation:

we are given a graph for system of inequalities.

in order to write the system of inequalities for the given graph, we need to find the inequality for each of the line separately.

let us find the slope of dotted line first.

taking two coordinates on the graph.

let us say (0,0) and (3,1).

let us find the slope of the line now.

slope of the dotted line would be =.

y-intercept of dotted line is y=0 only.

plugging slope m= and b=0 in slope-intercept form y=mx+b, we get

.

the line is shaded up of that dotted line.

therefore, for shading up we would take greater than inequality symbol > .

and because it's a dotted line we would take only > symbol in place of = sign in above equation of line.

therefore, inequality for dotted line would be

let us take two points (3,1) and (0,4) on the solid line.

slope of the solid line would be =.

for the solid line we have y-intercept b= 4.

plugging slope m= -1 and b=4 in slope-intercept form y=mx+b, we get

y = -1x + 4.

the line is shaded down of that solid line.

therefore, for shading down we would take less than inequality symbol < .

and because it's a solid line we would take ≤ symbol in place of = sign in above equation of line.

therefore, inequality for solid line would be