1/3 + 1/4+ 1/4+ 1/8 + x

Question 101 points)which equation in slope-intercept form represents the line that passes through (5, 1) and(-4,7)

Oscar and julie ashton are celebrating their 15th anniversary by having a reception hall. they have budgeted $4,500 for their reception. if the reception hall charges a $90 cleanup fee plus & 36 per person, find the greatest number of people that they may invite and still stay within their budget.

Ijust need these 2 questions answered (the second pic is just confirmation i'm not confident in that answer)