The total area of ohio is about 4.5 * 10^4 square miles. the total area of ohio is about how many times the total area of rhode island

This figure consists of a rectangle and semicircle. what is the perimeter of this figure use 3.14 for pi 60.84m 72.84m 79.68m 98.52m

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.

Can someone me do math because i am having a breakdown rn because i don’t get it