It would be 42m+12 and that would be the expanded version
Since 20% can be rewritten as 1/5, then we can multiply 18 by 5 to get 90, which is your answer. Hope this helps!
y-2x-6 would be this expression factored
Answer:
Genes birthday is February 29th, or March 1st on a Leap Year
February has 29 days in a common year, so 24+7 is the 29th
February has 28 days in a Leap Year, so one less day would lead you to March 1st
