Fill in the Blank: 10 quarts =
pints

This is different from the first one can someone me

Which is the equation of a line perpendicular to the line with the equation 3x+4y=8

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.