2 root 10 bfngjtejrahtwhw
n=-2 i got this answer because i combined like terms first like 2n-n
we get just n after
and then, we subtract the 5 from both sides to get it on the opposite side of the equal sign.. we get x=-2
C = 4
Use the formula a^2 + b^2 = c^2
5 = a and 4 = b
The answer is C shows traits of two different groups of organisms
