Jen is planning a party for 80 people. If she wants to send out 20% of the invitations today, what proportion can she use to determine how many invitations she needs to get ready, x?

Aline on the wall and a line on the floor are skew. always, sometimes, or never?

Aiden buys two bags of chips at $1.09 each and a 20 ounce soda for $1.20 at the gas station. he knows that the state tax is 5.5. how much change will he receive from a $5 bill?

Josh has a rewards card for a movie theater he receives 15 points for becoming a rewards card holder he earns 3.5 points for each visit to the movie theater he needs at least 55 points to earn a free movie ticket which inequality can josh use to determine x, the minimum number of visits he needs to earn his first free movie ticket.