Answer:
I cant give you a linear graph but i can give you the equation and you can graph it. y=20x+450
Step-by-step explanation:
I can’t read it... can you type it out?
So two lines that are parallel will have the same slope, and to calculate the slope you have to use the formula 
CD: 
.
JK: 
EF: 
GH: 
(undefined)
In short, Lines CD and EF are parallel.
7x-5y=21 when x=4 from the coordinate point of (4,y)
Next,
7x-5y=21
Substitute x with 4
7(4)-5y=21
28-5y=21
Add 5 to each side
28-5y+5y=21+5y
28=21+5y
Subtract 21 to each side
28-21=21+5y-21
7=5y
Divided 5 to each side
7/5=5y/5
y=7/5
Or
y=1 2/5
Check:
7x-5y=21
Substitute x with 4 and y with 7/5
7(4)-5(7/5)=21
28-7=21
21=21. As a result, (4,7/5) is your correct answer. Hope it help!
Answer:
x ≤ 9
Step-by-step explanation:
