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Bradley hikes 12 miles in 3 hours. in relation to bradley’s hike, which statement describes the expression

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.

An arc subtends a central angle measuring 7pi/4 radians what fraction of the circumference is this arc?