Arectangle is three times as long as it is wide, its perimeter is 36 centimeters. find the length of each side?

Which of the following statement about pascal's triangle are true?

Solve: 3x+y=6 4x-2y=18 show all work !

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.