Its it a. c or d thanks for helping me ​

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.

Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have left?

East black horse $0.25 total budget is $555 it'll cost $115 for other supplies about how many flyers do you think we can buy