Answer:
1000%
Step-by-step explanation:
Answer in screenshot!
k=-2x+9
-4x+6=k*2x-3
+3 +3
-4x+9=k*2x
/2x /2x
-2x+9=k
according to the picture we have:
x.y=4.7
(7)x(7)y=49xy=(49)(4.7)=230.3