I just need the final step to prove that these are congruent

Divide. write in simplest form 41/6 divided by 10

The dash figure is a dilation if the original figure. find the scale factor. classify the dilation as an enlargement or a reduction

You just purchased two coins at a price of $670 each. because one of the coins is more collectible, you believe that its value will increase at a rate of 7.1 percent per year, while you believe the second coin will only increase at 6.5 percent per year. if you are correct, how much more will the first coin be worth in 15 years?