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
y=17x+55
Step-by-step explanation:
A major arc is an arc that is larger than a semicircle. The only arc that is larger than a semicircle in the answer choices is D. NRC.
I hope this helps :)
Y=z/x
for the second case y₁=(z/3)/3x =(z/x)*(1/9) =y/9
thus answer is A