Answer:

Step-by-step explanation:
Given


Required
Determine the changes in the account
First, we need to determine the total amount spent;



<em>Hence, the changes in her account is a debit of $9 i.e. -$9</em>
11, rosabell had 11 posters for the parade
The answer is “the cost for every 1 lawn mowed”. This is because the graph is showing an increase in price every time another lawn is mowed.