Lisa says that the expressions 9x - 7x + 12 and 2(x + 6) are not equivalent because one expression has a term that is subtracted and the other does not. Do you agree? Explain.

Which system of linear inequalities is represented by the graph?

Which inequality statement describes the two numbers on a number line? "? 7 and a number 5 units to the right of ? 7"

Asales representative from a local radio station is trying to convince the owner of a small fitness club to advertise on her station. the representative says that if the owner begins advertising on the station today, the club's total number of members will grow exponentially each month. she uses the given expression to model the number of club members, in hundreds, after advertising for t months.