Answer:
m=3
Step-by-step explanation:
Divide by 13 on both sides to isolate the variable
13m=39
--- ----
13 13
Hope this helps! :)
39/13=3
73.5
To find the mean, sum the data and divide by the amount of data
mean =
= = 73.5
7
factors of 126: 1, 126, 2, 63, 3, 42, 6, 21, 7, 18, 9, 14 and 84: 1, 84, 2, 42, 3, 28, 4, 21, 6, 14, or 7, 12