Answer:
Part A) The percentage increase was 
Part B) Michael is financially better off this year than last year
Step-by-step explanation:
Part A)
we know that
Using proportion
Let
x-----> the percentage increase

Part B) Compare the percentage increase with the inflation

The percentage increase is greater than the inflation
therefore
Michael is financially better off this year than last year
Answer:
C because h is increasing at -0.5,3
Find the Greatest Common Factor of both numbers which is 5. Then divide the numerator by 5 and the denominator by 5 and you will get 5/16 as the simplest form