And Percent na You plant a tree that is 42 inches tall. After one year, the tree is 47 inches tall. Which
expression describes the percent increase of the tree's height?

Can you simplify 4/7? 24 points will be awarded!

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.

For the inequality |c| < |d| to be true, which of the following must be true?