What kind of tax is paid when purchasing

Sales tax. It's a tax that you have to pay when you buy something. 

Hope this helps :)

He made the polygraph too,but thomas edison was not falsely credited for the light buld

Remember soh-cah-toasoh: cah: toa: now, looking at the picture we can see that we have an angle, the hypotenuse and want to find the value of the adjacent side to the angle. so we use cah to find the adjacent angle. plug in what we have: we need to solve for x now so we get it by itself on one side: plug this into your calculator and you'll find that: