Researchers were interested in looking at air quality in different regions of the United States. The following dot plot represents the number of days in a certain month that the air quality was unhealthy for eighteen cities in the Mi

Use the foil method to find (z− 5/3 )(z− 2/3 )

One expression below in undefined, and the other expression has a well defined value. which expression is undefined and explain why it has no value. which expression is defined? what is the value of that expression and how do you know? what is a different expression using a trig inverse function that is also undefined?

You have $600,000 saved for retirement. your account earns 5.5% interest. how much, to the nearest dollar, will you be able to pull out each month, if you want to be able to take withdrawals for 20 years?