Ifeel stressd about a math test does anyone have any advice u will win 15 points for best answer, also if all 2 answers are taken leave in comments

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.

Find the number of liters in 12.8 gal of gasoline. round to the nearest hundredths

Acompany made a profit of 75000 over a period of 6 years on an initial investment of 15000 what is the annual roi