20 POINTS! PLEASE HELP! WILL GIVE BRAINLIEST! A sample of 64 was taken from a population, with the mean of the sample being 42 and the standard deviation of the sample being 5. What is the 95% confidence interval for the mean of the population? O A. (41.375, 42.625) B. (40.75, 43.25) C. (37.25, 46.75) O D. (37,47) SUBMIT​

Aiden buys two bags of chips at $1.09 each and a 20 ounce soda for $1.20 at the gas station.he knows that the state tax is 5.5. how much change will he receive from a $5 bill?

What is the anwers for 9+2x=5x-3-x

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.