While building a new apartment complex, the work crew found that it took 6 people toframe 5 apartments in 7 hours. The foreman added 8 more people to the job. How manyhours would it take them to frame 60 apartments

Simply 8x squared + 5(7x squared- x) - 2x =

Ascientist wants to use a model to present the results of his detailed scientific investigation. why would a model be useful? a )because the model makes the concepts easier to understand b) because the model is easy to put together and to use c) because the model prevents other scientists from asking questions d) because the model requires the audience to pay full attention to it i don't know what to choose because between a and d a is much more likely than d because it only wants to get the attention of the audience. i'm confuse.

Awater truck is filling a swimming pool. the equation that represents this relationship is y=19.75x where y is the number of gallons of water in the pool and x is the number of minutes the truck has been filling the pool.