Answer:
The answer is x^2+ax+b^2
80:120
Step-by-step explanation:
20 x 4 = 80
30 x 4 = 120
the value of n = 0
0 times anything always equals zero
5m=11,2h
60/11
660+20
680/5
136
=2,15
oi-
well gl ig
;-;
o-O