It will take her 6 hours
First, we calculate how many pages she can write per hour. We do this using the information given. 15/5= 3 pages per hour.
18/3= 6 hours to write 18 pages
One side of the square is 15 cause 15 times 15=225
The circumference of the circle is 34.54. and the area of the square is 49. I hope that is helpful.