Avideo streaming service offers unlimited movies for $15 per month or $1.99 per movie. write an inequality that represents when the unlimited offer is better.

The sum of two numbers is 86, and their difference is 20. find the two numbers

Steve wants to develop a way to find the total cost of any item including sales tax. the sales tax in his city is 6%. his friend jenna writes the expression x + 6x where x is the cost of the item. explain whether her expression is correct based on the situation.

The jewelry store is having a sale. necklaces that were regularly priced at $23.50 are on sale for $18.80. what is the percentage of decrease in the price of necklaces?