Three years ago laura bought a new car for $27,400. when she traded the car in to a dealer last week it was worth $15,618. find the percent decrease in the car's value over the three year period. round your answer to the nearest hundredth, if necessary.

One of the inventors of integrated circuits observed that the number of transistors that fit on an integrated circuit will double every 24 months. what type of relationship most appropriately models this situation?

The table represents a function f(x). what is f(3)? a.-9 b.-1 c.1 d.9

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.