1. why is it useful to factor out the gcf when factoring? 2. how do you recognize if a binomial is a difference of perfect squares and how is the pattern used to factor the binomial? 3. how are the zeroes of a polynomial function used to create a graph?

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.

What is the slope of any line parallel to the line 8x+9y=3 in the standard (x,y) coordinate plane?

Twelve different video games showing substance use were observed and the duration times of game play (in seconds) are listed below. the design of the study justifies the assumption that the sample can be treated as a simple random sample. use the data to construct a 99% confidence interval estimate of μ, the mean duration of game play. 4028 4316 4816 4650 4036 5010 4833 4331 4307