Y=x^2-4x+8 and 4x+y=12 so y=12-4x, insert y in the quadratic to get
12-4x=x^2-4x+8
12=x^2+8
0=x^2-4=(x-2)(x+2)
So the solutions are x=2 and x=-2.
Answer:
1st box 3rd box and 4th box are all price decrease while the others are all increase
Step-by-step explanation:
Answer:
that would be 29 my friend
Step-by-step explanation:
29 plus 5 is 34
Answer:
y = 90
Step-by-step explanation:
Since, e || f and a || b
Therefore, quadrilateral so formed is a rectangle.
Each angle of a rectangle is right angle.

The percent increase is 6% because it increased by 6 and 6 is 6% of 100.
Hope this helps!