Answer:
(9 + 11) /(5 + 4 + 1)(9 + 11)
20/10(20)
20/200
1/10
A or b or c maybe try one of those
Hope this can help you ^_^
D n J = {7,8} (intersection)
Values that satisfy both sets.
D u J = {-1,1,4,5,7,8} (union)
All values present in both sets.
First ypu solve the yintercept amd then the x intercept