I'll only answer the first question, 'The data representation is useful because it tell and shows you what industry, what is the yearly cost and the highest qualifications.'
Answer: 5/2 and 25/4
Step-by-step explanation:
6x5=30
6x2=12
...
say these were perfect squares,
12x12= 144
30x30= 900
900/144 = 25/5
A because inverse is the opposite order so instead of -3/1 or 5/1 it becomes 1/-3 and 1/5
simplified is
I got this by dividing both the numerator and denominator by 4
Hope this helps
-AaronWiseIsBae