M=-1
4m+2(m+1)=9m +5
4m+2m+2=9m+5
6m+2=9m+5
6m+2-6m= 9m+5-6m
2-5=3m+5-5
-3/3=3m/3
m=-1
7.62 a^2+b^2=c^2 have a great day
Rational number, because the Square root of 400 is 20, since 20 x itself is 400. Hope this helps!
48,301* . 51,702 you wrote the number incorrectly
