
so hmmm then we know the slope of that line is -2/3, so we're really looking for the point-slope form of a line with a slope of -2/3 and that passes through (-3 , 8)

Step-by-step explanation:
yes
The new mean age will be greater than 14.2 years because the teacher is older than the previous mean.
The simplified expression would be 6m-8n+4p
The second one or the middle table mark Brainliest please