Your answer is -43/6
1/12(4+6x3)-9
=1/12(22)-9
=11/6-9
=11/6-54/6
=-43/6
The sum of all the measurements is just the average times the number.


So if the average of all 92 is 7 the sum of those is

The average of the last two is 7.2 so their sum is

That means the sum of the first 90 is

so the average of the first 90 is

cm
8,839,469 people* 94% percent of last years population= <span>8,309,101 people after 1 year
</span>8,309,101 people*94% percent of last years population= <span>7,810,555 people after 2 years
</span>7,810,555 people*94% percent of last years population= <span>7,341,922 people after 3 years</span>
Hey z shs d 2 , e dndbdjdbdud us ske ux he 4 670.2