Iam in pre-algebra and i need answering a question for homework.. what is the answer for x (show work) -7(1-8x)=105

Nell has a sales clerk job that pays $12 per hour for regular gas work hours. she gets double time for any hours over 40 that she works in a week. how many hours did nell work if her weekly pay was $744

Gretchen is setting up for a banquet. she has 300 chairs and needs to distribute them evenly among t tables. how many chairs should she put at each table? write your answer as an expression.

Tcan be concluded that % of the seniors would prefer to see more candid pictures in this year's edition of the yearbook.