I don’t necessarily know if these two figures are supposed to be congruent or not but if they are here
Answer: X=23
Explanation: 23-4 is congruent to 19
The area of a triangle is .5*b*h = .5x^2
.5x^2 = 27 so
x^2 = 54
x = sqrt(54) = 7.3
Y=-4x+6 x=1
y=-4(1)+6
y=-4+6
y=2
I believe that answer is 54