The answer would be 12 just adding 3
Part A...Y=9, Part B, m=54 degrees
First, input 7 into the x slots 2 into the y slots of the equation:
x-y-3= ?
7-2-3=?
2=?
Therefore, A is the correct answer to this question.
Hope this helps!
Answer:
Step-by-step explanation:
Co-ordinate plane is a plane which is formed by a horizontal line called the x-axis and a vertical line which is called the y-axis.
The points on a co-ordinate plane is represented as:

where
represents the
while
represents the
.
To plot the points:
1) 
For the point the
which means 0 on x-axis, and
which means -5 units on y-axis.
2) 
For the point the
which means 2 units on x-axis, and
which means 4 units on y-axis.