Answer:
138
Step-by-step explanation:
The LCD here is 12. Mult. each fraction within the brackets by 12 results in
6[6 + 8 + 9). Perform the addition shown within the parentheses, and then mult. the resulting sum by 6:
6(23) = 138
-60
If the worker is descending, he is going down. The change in his position could be marked on a graph by translating the original point down by 60 units. Aka -60 units.
B, D, B, D
4536