<span>The first step you need to do is to rewrite
x+y=3
as y=3-x
</span><span>Now we can replace the y in the equation with our newfound value for y, which is
y=3-x.
So lets write it now like this
Q=x^2+2(3-y)^2
=x^2+18-12x+2x^2
=3x^2+18-12x
</span>Hope this helps
Answer:
so the answer is option 1
To find the surface area (SA) multiply length*height*2 and to find volume multiply length*width*height
Answer:
profit section and that is answer A
Halmi had the most appropriate information because when you add both the girls and the boys up it is 56 after that you have to add 14+14=28.
28/56= exactly %50 of the entire group.