9. -6xy+2xz
10. b(a-c-3d)
11. -3xy+xz-4xw
also i think that 8 is supposed to be a(10-13)
Answer:
I would choose f(x)= 3|x-1|
Step-by-step explanation: These are the point on the graph.
(X,Y)
-1,6
0,3
1,0
2,3
3,6
The mean would tell you the average number of repairs per vehicle type. It is the total amount of repairs divided by the total number of vehicles.
The mean absolute deviation (MAD) describes how close the values are typically to the mean. It is an average of the distances the individual points are from the mean. Basically, it tells how spread out the data is.
4,000×0.035×2=280
.................
