If a dimension of a cuboid is missing do I substitute that dimension? for example height and length are provided but not width would I substitute it with maybe width?

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.

Each cookie sells for $0.50 sam spent $90 on baking supplies and each cookie cost $0.25 to make how many cookies does sam need to sell before making a profit formula: sales> cost

Complete the solution of the equation. find the value of y when x equals -5. -4x - 8y = -52