Explain the process for determining sales tax and total purchase price.

answer: Sales tax is an amount added to a price to get the total. We multiply by the decimal for the percent; this means we divide the percent by 100 before we multiply. Once we multiply, this gives us the amount of sales tax. We add this to the price of the item to get the total purchase price.

4based on his attributes it can be concluded that through history could have "compelled" him to act in this way.

Frequency is the number of complete oscillations of a wave per second.