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19. it takes 52 minutes for 5 people to paint 5walls. how many
minutes does it take 20 people to paint 20 walls?

At the beginning of a call to the cable company, a message tells customers, "after you finish talking to our customer service representative, you will be asked to take a five-question survey about the level of service you recieved. it would be appreciated if you could stay on the line to answer the survey questions." what type of sampling is the cable company using?

A5 foot long board is propped against the wall of a house. the board forms a 60° angle with the ground. how far is the base of the board from the wall?

Create and solve a story problem about the runner who is training for a race include at least one fraction in your story