Answer:
Joe shoveled 6, Jill shoveled 9
Step-by-step explanation:
3(x-9)
when you distribute the equation you get
3(x)-3(9) which is the last answer
In standard form the answer will be if you go by (Ax+by=c )then I must say it's 3x-7y=9
Survey 2 is biased.
Answer is 53%
Hope it helps!