Answer:
Step-by-step explanation:
The sum of the two smaller sides of a triangle must be less than the longest side
a+b<c
Since 9+15>19 this is not a triangle.
(3,-5)
Profit 527
Profit percent 0.085
11
55 divide 5 = 11
11 + 3 = 15
5 × 11 = 55
