Charlotte invested $33,000 in an account paying an interest rate of 7 3 4 7 4 3 ​ % compounded continuously. Alyssa invested $33,000 in an account paying an interest rate of 7 1 4 7 4 1 ​ % compounded daily. After 19 years, how much more money would Charlotte have in her account than Alyssa, to the nearest dollar

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.

When 142 is added to a number the result is 64 more then 3 times the number. option 35 37 39 41

Last month, a 770 g box of cereal was sold at a grocery store for $3.10. however, this month, the cereal manufacturer launched the same cereal in a 640 g box, which is being sold at $2.50. what is the percent change in the unit price?