Answer:
D) t=4d+5
Step-by-step explanation:
If d=1,

If d=2,

If d=4,

Therefore,

The Shang Dynasty had several contributions to history. One of the most important and notable contribution was writing.
Answer:
=56648685900-56565658=4646756+55768476845655685-737y57345795754549
Step-by-step explanation: