Answer:
A(2,5)
Step-by-step explanation:
x=2 and y=5
2y+4x=18
2y-3x=4
2(5) + 4(2) = 18
10+8=18
2(5)-3(2)=4
10-6=4
80%
((y2 - y1) / y1)*100 = your percentage change
(where y1=start value and y2=end value)
((36 - 20) / 20) * 100 = 80 %
i hope it helps u
