Erica is shopping online and finds a great deal on clarinets. Erica pays $308 for a clarinet that originally sold for $385. What is the discount percentage?

Hi, can anyone show me how to do this problem? 100 points for this. in advance

Anew landowner is interested in constructing a fence around the perimeter of her property. her property is 1,080√30 feet wide and 500√20 feet long. what is the perimeter of the property? (recall that the perimeter is the sum of each side of a shape or boundary). a 1,580√40 feet b. 5,320√5 feet c. 3,160√20 feet d. 10,640√5 feet

Which of the following is an irrational number