Washington Middle School is painting a circle on their playground with a radius of 12 feet. What will be the total area of the circle, in square feet? Use π = 3.14, and round your answer to the nearest hundredth.

Asoccer ball manufacturer wants to estimate the mean circumference of soccer balls within 0.1 in

How many days was the temperature above 90 degrees?

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.