Answer:
12, 72, 180
Step-by-step explanation:
The average is 60
and the average yu take all the #s and add them and see what it = than / by how many #s there are!
3=4m+ b
-1=3m+b
m=4
plug in to either equation,
3=16+ b
b=-13
Thus, C would be the answer.
Answer:
Yes, x-10 is an accurate expression. . . .
Hope that helps
