Question 17 (1 point) Sarah is single. However, due to a personal family matter, Sarah has been responsible for taking care of her brother. Sam, her brother, is under the age of 18, has no earnings, lives with his sister and is fully supported by her. When Sarah files her taxes, what filing status should she choose? O Married Filing Separately Qualifying Widower Single O Head of Household Question 18 (1 point) Which of the following is not a tax form? 1040 AZ 1040 EZ 1040 1040 A