Question: you want to buy all three of the masks shown here. if sales tax is an additional 7% how much would you pay in total? (the masks cost 122.93)

Determine whether the set of whole numbers is closed under addition. explain why the set is or is not closed. give an example.

Kayla has a $500 budget for the school party.she paid $150 for the decorations.food will cost $5.50 per student. what inequality represents the number of students,s, that can attend the party?

Jim had 3,067.48 in his checking account he wrote a check to pay for two airplane tickets. his account now has 1,845.24.