Answer:
use the formula of centroid that is
= x1+x2+x3/3
Good luck on your test love ya also I have bad period cramps send chocolate please
Do you mean checking your work? In that case it would be 9*20.
Solution: Estimated time for the work is 40 hour work week.
Estimated payment to 3 laborers working 40 hours at cost $14 per hour is:
$1680
Estimated payment to 6 masons working 40 hours at cost $24 per hour is:
$5760
Estimated cost of material = $3143
Contractor wishes to make a profit of $500
Therefore, the mathematical expression that will give the estimated cost of the job is:

The estimated total cost is:
Cost =$11083
Answer: x2 - 2x + 4 - 12/(x + 2)
Step-by-step explanation: