Tiffany is filling her daughter's pool with water from a hose. She can fill the pool at a rate of 110 gallons/second. Select an equivalent ratios that are associated
with the rate.

Find the balance at the end of 4 years if 1000 is deposited at the rate of

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.

The distribution of the amount of money spent by students for textbooks in a semester is approximately normal in shape with a mean of $235 and a standard deviation of $20. according to the standard deviation rule, how much did almost all (99.7%) of the students spend on textbooks in a semester?