If photocopier is making reduce copies of a photo that measures 25 cm in height. the height of the first copy is 80% of the height of the original. another copies made using the first copy and the height of this copy is 85% of the height of the first copy

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.

Extra points! find the missing dimension! need asap

The mean finish time was 185.52 with a standard deviation of 0.327 minute. the winning car driven by chris finished in 185.13. the previous year race had a mean finish time of 110.3 with a standard deviation of 0.106. the winning car that year driven by karen finished in 110.13 minutes. find their respective z-scores. chris - z-score karen “- z-score