Answer:
B
Step-by-step explanation:
X - y + x + y = 180
2x = 180
x = 90
2x - 2y = x + y
x = 3y
y = x/3
y = 90/3
y = 30
x - y = 90 - 30 = 60
x + y = 90 + 30 = 120
2x - 2y = 180 - 60 = 120
Answer: Choice A. {-3,-1,0,1,2}
Explanation:
The range is the list of y coordinates of each point.
Answer:
Step-by-step explanation:
(-4, -1) is what you asked to be plotted.
The first number is what number you go to on the x axis (horizontal).
The second number is what number you go to on the y axis (vertical).
I've attached a picture to help demonstrate. :)
The way I remember which comes first is to keep it alphabetical. X comes first, so go on the x axis first, then y