Nicholas challenges rajiv with these instructions for finding his house. get on the subway at 14 street. the subway stops at 23, 28, 33, 42, 51, 59th, 68, 77, 86, and 96 streets. get off at the first street you come to that is divisible by both 3 and 7. at which stop should he get off the subway?

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.