Which of the following best describes an imaginary number?
a.)the square root of a positive number
b.)a number that does not exist
c.)the square root of a negative number
d.)a number that is represented with the variable x

Sarah used her calculator to find sin 125 degrees. she wrote down sin sin125 degrees.57. how could sarah recognize that her answer is incorrect?

Leslie started last week with $1200 in her checking account. during the week, she wrote the checks below.

Dean and karlene get paid to write songs. dean is paid a one-time fee of $20 plus $80 per day. karlene is paid a one-time fee of $25 plus $100 per day. write an expression to represent how much a producer will pay to hire both to work the same number of days on a song.