Combine like terms to create an equivalent expression.
-2/3a + 5/6a - 1/6

Tim's phone service charges $23.06 plus an additional $0.22 for each text message sent per month. if tim's phone bill was $28.56, which equation could be used to find how many text messages, x, tim sent last month?

Given the graphed function below which of the following orders pairs are found on the inverse function

If a and −a are numbers on the number line, which expression must give the distance between them? a) 0 b) a c) |2a| d) |a|