Answer:
5
Step-by-step explanation:
2/4=y/10
=> 2x10=yx4
=> 20=yx4
=>y=5
So will be 27 -50 - 81 +81 = - 23
hope this will help you
Slope is 2/3
0= 3x - 2
Then move the variables
-3x = -2
Divide both sides
X = 2/3
I am not smart enough to work it out. Perhaps clues would help.