A total of 650 tickets were sold for the school play. They were either adult tickets or student tickets. There were 50 fer student tickets sold than adult tickets. How many adult tickets were sold?

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base

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.