PLS HELP FAST! I NEED THIS FAST :((

If the sales price of a dvd is $20 and the markup is 34%, what is the cost of the dvd?

Linda loans her friend $250 with a 5% monthly intrest rate. how much was the whole loan?

The first side of a triangle measures 5 in less than the second side, the third side is 3 in more than the first side, and the perimeter is 17 in. how long is the third side? if s represents the length of the second side, which of the following represents the length of the third side? s-5 ws-2 s+ 3 next question ask for turn it in