What is 2 + 2, times 12, plus 9, divided by 1200, multiplied by 6, minus 12,000,000, divided by 4, plus 26, times 9, times 8, times, 7, then times 6? (sorry i dont have anything important in life to do)

According to modern science, earth is about 4.5 billion years old and written human history extends back about 10,000 years. suppose the entire history of earth is represented with a 10-meter-long timeline, with the birth of earth on one end and today at the other end.

Ineed no it anyone can see this

Which coefficient matrix represents a system of linear equations that has a unique solution ? options in photo*