Answer:
1
Step-by-step explanation:
It 42 units hopes this helps
Answer:
6
Step-by-step explanation:
6²+x-x²=12+3-9
=15-9
=6
Rational number, because the Square root of 400 is 20, since 20 x itself is 400. Hope this helps!
X^3+4y^3-2x^3+2y^3
x^3-2x^3+4y^3+2y^3
-x^3+6y^3
