Suppose log7(10) = a and log7( 5) = b. Use the change-of-base formula along with properties of logarithms to rewrite each expression in terms of a and b.

3382-299=3383- ? fill in the blank?

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.

In 2009, there were 1570 bears in a wildlife refuge. in 2010, the population had increased to approximately 1884 bears. if this trend continues and the bear population is increasing exponentially, how many bears will there be in 2018?