Answer:
SLOPE = -5
Step-by-step explanation:
Because that's what x is.
If (55 + x)/2 is to be 67, then 55+x = 2*67, so x = 2*67 - 55 = 79
I think its irrational bc if you put it as the squareroot of 329, it results in neverending decimals.
18^2=324+5=329
I believe it would be 20/15