Answer:
6
Step-by-step explanation:
3x plus 12= 8x -18
subtract twelve on both sides:
3x= 8x- 30
minus 8x on both sides:
-5= -30
divide:6
A) the only mistake is changing the mixed number to an improper fraction .
135.9 rounded to the nearest tenth
Mean because all of the data points are
fairly close and there aren't any outliers
(extreme values)
