The saying is "Five or above, give it a shove. Four or below, let it go" Meaning, round up if the following number is ≥5, and to round down if the number is ≤4
In this case, 80.945 would be rounded to 80.9.
Hope this helps!
Answer: slope of 14+2x/7; m=2/7
Step-by-step explanation: