One person cleans the room in 15 minutes. the other person cleans the same room in 30 minutes. if both of the people work together, how long will it take to clean the room?

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?

Look at triangle wxy what is the length (in centimeters) of the side wy of the triangle?

James is playing his favorite game at the arcade. after playing the game 33 times, he has 88 tokens remaining. he initially had 2020 tokens, and the game costs the same number of tokens each time. the number tt of tokens james has is a function of gg, the number of games he plays