Translate the sentence into an inequality.
Twice x is less than or equal to - 18.

Gretchen is setting up for a banquet. she has 300 chairs and needs to distribute them evenly among t tables. how many chairs should she put at each table? write your answer as an expression.

Credit card a offers an introductory apr of 3.4% for the first three months and standard apr of 15.7% thereafter,

How do you determine if an ordered pair is a solution to a given equation?