There is a circular park in downtown Hudson. On the blueprint for the town, the park has a diameter of 6 centimeters. The blueprint has a scale of 4 centimeters to 9 feet. What will be the actual area of the park, in square feet? Round your answer to the nearest tenth of a square foot. (Hint: Find the actual radius before you find the actual area. Formula for Area of a circle is r2).

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.

Seymour is twice as old as cassandra. if 16 is added to cassandra’s age and 16 is subtracted from seymour’s age, their ages become equal. what are their present ages? show !

You buy five cds at a sale for $5.95 each. write an expression for the total cost of the cds.then use the distributive property and mental math to evaluate the expression.