According to data on the state of Iowa, the amount of water used for cooking per household per month is normally distributed, with a standard deviation of 10.4 liters. A survey was carried out to estimate the population mean. With a sample size of 60 households, the mean quantity of water used for cooking was found to be 62.6 liters. There is a 95% chance that the population mean lies between _liters and _liters.

Which undefined geometric term is described as a location on a coordinate plane that is designed by an ordered pair (x,y) ?

At a sale this week, a desk is being sold for $213. this is a 29% discount from the original price. what is the original price?

1- what do you think the product of a nonzero rational number and an irrational number is? is it rational or irrational? make use of variables, the closure property of integers, and possibly a proof by contradiction to prove your hypothesis.2- why do we have to specify that the rational number must be nonzero when we determine what the product of a nonzero rational number and an irrational number is? if the rational number were 0, would it give us the same result we found in the first question?