Please Help,
(2).Find the total of the two semi circular parts.
(3).Find the area of the shaded portion.

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.

The function models the number of accidents

What is the difference between the equations of a vertical and a horizontal line?