. 1/1 + x ^ l-m + x ^ n-m + 1/1 + x ^ m-l + x ^ n-l + 1/1 + x ^ l-n + x ^ m-n =

Which expression is equivalent to (3^2)^-2 a.-81 b.-12 c.1/81 d.1/12

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.

Maria walks a round trip of 0.75 mile to school every day. how many miles will she walk in 4.5 days