Solve the equation 5 - 5z = 15

The diameter of a circular chip is doubled to use in a new board game. the area of the new chip will be

How many kilometers are equal to 5 miles? use 1 mile ≈ 1.61 kilometers. !

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.