52-13=39
39/52x100=75
The percent of markdown: 75%
Answer:
5.83 or E
Step-by-step explanation:
Use Pythagorean theorem. 5^2+3^2=c^2 because the diameter is perpendicular it cuts the chord in half.
25+9=c^2
34=c^2
5.83
Ok so the first one is
1.x=135
2.x=-23
3.x=3
4.x=70
Answer:

Step-by-step explanation:
Paperback Books:
Number of books
Cost of 1 book

Magazines:
Number of magazines
Cost of 1 magazine=


The sum of all 3 angles is 180 degrees, you should be able to solve from here.