Can anyone please answer this question...? if you give me the right answer for each and every question, then I will mark you as the brainiest...

Mrs. walter’s husband died in 2016. she has not remarried and has maintained a home for herself and her dependent son, whom she can claim as a dependent. in the summer of 2018, the son was killed in an automobile accident. what is mrs. walter’s filing status for 2018

Which best describes the“brain trust” franklin roosevelt promised to make part of his administration? a group of america’s most successful businessmen, who would fix the economya group of hoover’s economic advisers, who would undo previous damage to the economya group of smart advisers, who would assist roosevelt in guiding the nation forwarda group of military veterans, who would assist roosevelt in putting americans back to work

In the 1800s, dorothea dix worked to improve conditions ina.)prisons and hospitals. b.)mills and factories. c.)utopian communities. d.)public schools