Example of an algebraic expression that always has the same value regardless of the value of the variable

Apositive number a or the same number a increased by 50% and then decreased by 50% of the result?

Aweekly newspaper charges $72 for each inch in length and one column width. what is the cost of an ad that runs 2 column inches long and 2 columns wide? its not 288

The table shows the number of hours orlando spent at football practice last week. select the appropriate numbers below to complete the model to find the number of hours orlando spent practicing on tuesday and friday.